2557416492 has 72 divisors (see below), whose sum is σ = 6970869360. Its totient is φ = 787898880.

The previous prime is 2557416469. The next prime is 2557416493. The reversal of 2557416492 is 2946147552.

2557416492 is a `hidden beast` number, since 2 + 557 + 4 + 1 + 6 + 4 + 92 = 666.

It is a super-2 number, since 2×2557416492² = 13080758227107172128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2557416493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17553 + ... + 73640.

It is an arithmetic number, because the mean of its divisors is an integer number (96817630).

Almost surely, 2^2557416492 is an apocalyptic number.

It is an amenable number.

2557416492 is an abundant number, since it is smaller than the sum of its proper divisors (4413452868).

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

2557416492 is a wasteful number, since it uses less digits than its factorization.

2557416492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91263 (or 91258 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 2557416492 is about 50570.9055880948. The cubic root of 2557416492 is about 1367.5204215629.

The spelling of 2557416492 in words is "two billion, five hundred fifty-seven million, four hundred sixteen thousand, four hundred ninety-two".