2556392361600 has 1152 divisors, whose sum is σ = 11134712332800. Its totient is φ = 503210188800.

The previous prime is 2556392361559. The next prime is 2556392361629. The reversal of 2556392361600 is 61632936552.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2556392361600.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 154484527 + ... + 154501073.

It is an arithmetic number, because the mean of its divisors is an integer number (9665548900).

Almost surely, 2^{2556392361600} is an apocalyptic number.

2556392361600 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 2556392361600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5567356166400).

2556392361600 is an abundant number, since it is smaller than the sum of its proper divisors (8578319971200).

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

2556392361600 is a wasteful number, since it uses less digits than its factorization.

2556392361600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622 (or 16594 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 2556392361600 in words is "two trillion, five hundred fifty-six billion, three hundred ninety-two million, three hundred sixty-one thousand, six hundred".