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2440242240400 = 245217363798669
BaseRepresentation
bin100011100000101001110…
…001011001101110010000
322122021200200021211211001
4203200221301121232100
5304440104003143100
65105010512031344
7341205322543066
oct43405161315620
98567620254731
102440242240400
118609a0144aa8
12334b28232554
131491631ab783
148617347a036
15437227acd6a
hex23829c59b90

2440242240400 has 120 divisors (see below), whose sum is σ = 6209315335080. Its totient is φ = 918417530880.

The previous prime is 2440242240391. The next prime is 2440242240427. The reversal of 2440242240400 is 40422420442.

It can be written as a sum of positive squares in 12 ways, for example, as 1762564243456 + 677677996944 = 1327616^2 + 823212^2 .

It is a super-3 number, since 3×24402422404003 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24682266 + ... + 24780934.

It is an arithmetic number, because the mean of its divisors is an integer number (51744294459).

Almost surely, 22440242240400 is an apocalyptic number.

2440242240400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440242240400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104657667540).

2440242240400 is an abundant number, since it is smaller than the sum of its proper divisors (3769073094680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2440242240400 is a wasteful number, since it uses less digits than its factorization.

2440242240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102341 (or 102330 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2440242240400 its reverse (40422420442), we get a palindrome (2480664660842).

The spelling of 2440242240400 in words is "two trillion, four hundred forty billion, two hundred forty-two million, two hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 680 850 1360 1700 3400 3637 6800 7274 14548 18185 29096 36370 58192 61829 72740 90925 98669 123658 145480 181850 197338 247316 290960 309145 363700 394676 493345 494632 618290 727400 789352 986690 989264 1236580 1454800 1545725 1578704 1677373 1973380 2466725 2473160 3091450 3354746 3946760 4933450 4946320 6182900 6709492 7893520 8386865 9866900 12365800 13418984 16773730 19733800 24731600 26837968 33547460 39467600 41934325 67094920 83868650 134189840 167737300 335474600 358859153 670949200 717718306 1435436612 1794295765 2870873224 3588591530 5741746448 6100605601 7177183060 8971478825 12201211202 14354366120 17942957650 24402422404 28708732240 30503028005 35885915300 48804844808 61006056010 71771830600 97609689616 122012112020 143543661200 152515140025 244024224040 305030280050 488048448080 610060560100 1220121120200 2440242240400