2556214957296 has 1920 divisors, whose sum is σ = 10600121548800. Its totient is φ = 568479098880.

The previous prime is 2556214957259. The next prime is 2556214957363. The reversal of 2556214957296 is 6927594126552.

2556214957296 is a `hidden beast` number, since 2 + 5 + 56 + 2 + 1 + 4 + 9 + 572 + 9 + 6 = 666.

It is a super-2 number, since 2×2556214957296² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 18390035595 + ... + 18390035733.

It is an arithmetic number, because the mean of its divisors is an integer number (5520896640).

Almost surely, 2^{2556214957296} is an apocalyptic number.

2556214957296 is a gapful number since it is divisible by the number (26) 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 2556214957296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5300060774400).

2556214957296 is an abundant number, since it is smaller than the sum of its proper divisors (8043906591504).

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

2556214957296 is a wasteful number, since it uses less digits than its factorization.

2556214957296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 241 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 2556214957296 in words is "two trillion, five hundred fifty-six billion, two hundred fourteen million, nine hundred fifty-seven thousand, two hundred ninety-six".