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2400442424440 = 2351391453297133
BaseRepresentation
bin100010111011100101100…
…001001001110001111000
322111110221221220201012021
4202323211201021301320
5303312101230040230
65034425323524224
7335266125644164
oct42734541116170
98443857821167
102400442424440
11846027195215
1232927b389674
1314548c749208
14842796dbca4
1542693669c7a
hex22ee5849c78

2400442424440 has 64 divisors (see below), whose sum is σ = 5443613733600. Its totient is φ = 952609946112.

The previous prime is 2400442424423. The next prime is 2400442424461. The reversal of 2400442424440 is 444242440042.

It is a junction number, because it is equal to n+sod(n) for n = 2400442424396 and 2400442424405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930114 + ... + 8227246.

Almost surely, 22400442424440 is an apocalyptic number.

2400442424440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400442424440 is an abundant number, since it is smaller than the sum of its proper divisors (3043171309160).

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

2400442424440 is a wasteful number, since it uses less digits than its factorization.

2400442424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298736 (or 298732 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2400442424440 its reverse (444242440042), we get a palindrome (2844684864482).

The spelling of 2400442424440 in words is "two trillion, four hundred billion, four hundred forty-two million, four hundred twenty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 139 278 556 695 1112 1390 1453 2780 2906 5560 5812 7265 11624 14530 29060 58120 201967 297133 403934 594266 807868 1009835 1188532 1485665 1615736 2019670 2377064 2971330 4039340 5942660 8078680 11885320 41301487 82602974 165205948 206507435 330411896 413014870 431734249 826029740 863468498 1652059480 1726936996 2158671245 3453873992 4317342490 8634684980 17269369960 60011060611 120022121222 240044242444 300055303055 480088484888 600110606110 1200221212220 2400442424440