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440964420 = 2235131135003
BaseRepresentation
bin11010010010001…
…001010101000100
31010201202022110120
4122102021111010
51400341330140
6111431221540
713633064361
oct3222112504
91121668416
10440964420
11206a05106
121038178b0
13704850c0
14427c9468
1528aa61d0
hex1a489544

440964420 has 96 divisors (see below), whose sum is σ = 1341712512. Its totient is φ = 107563008.

The previous prime is 440964413. The next prime is 440964421. The reversal of 440964420 is 24469044.

It is not an unprimeable number, because it can be changed into a prime (440964421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85639 + ... + 90641.

It is an arithmetic number, because the mean of its divisors is an integer number (13976172).

Almost surely, 2440964420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440964420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670856256).

440964420 is an abundant number, since it is smaller than the sum of its proper divisors (900748092).

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

440964420 is a wasteful number, since it uses less digits than its factorization.

440964420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 440964420 is about 20999.1528400552. The cubic root of 440964420 is about 761.1457901845.

It can be divided in two parts, 44096 and 4420, that added together give a triangular number (48516 = T311).

The spelling of 440964420 in words is "four hundred forty million, nine hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 113 130 156 195 226 260 339 390 452 565 678 780 1130 1356 1469 1695 2260 2938 3390 4407 5003 5876 6780 7345 8814 10006 14690 15009 17628 20012 22035 25015 29380 30018 44070 50030 60036 65039 75045 88140 100060 130078 150090 195117 260156 300180 325195 390234 565339 650390 780468 975585 1130678 1300780 1696017 1951170 2261356 2826695 3392034 3902340 5653390 6784068 7349407 8480085 11306780 14698814 16960170 22048221 29397628 33920340 36747035 44096442 73494070 88192884 110241105 146988140 220482210 440964420