2557942770944 has 72 divisors (see below), whose sum is σ = 5762137137120. Its totient is φ = 1122608076800.

The previous prime is 2557942770937. The next prime is 2557942770953. The reversal of 2557942770944 is 4490772497552.

It is a super-2 number, since 2×2557942770944² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579722 + ... + 15743049.

It is an arithmetic number, because the mean of its divisors is an integer number (80029682460).

Almost surely, 2^{2557942770944} is an apocalyptic number.

It is an amenable number.

2557942770944 is an abundant number, since it is smaller than the sum of its proper divisors (3204194366176).

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

2557942770944 is a wasteful number, since it uses less digits than its factorization.

2557942770944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31322827 (or 31322813 counting only the distinct ones).

The product of its (nonzero) digits is 177811200, while the sum is 65.

The spelling of 2557942770944 in words is "two trillion, five hundred fifty-seven billion, nine hundred forty-two million, seven hundred seventy thousand, nine hundred forty-four".