2557523364 has 48 divisors (see below), whose sum is σ = 6793113600. Its totient is φ = 741310240.

The previous prime is 2557523359. The next prime is 2557523383. The reversal of 2557523364 is 4633257552.

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, 418164 + ... + 424235.

It is an arithmetic number, because the mean of its divisors is an integer number (141523200).

Almost surely, 2^2557523364 is an apocalyptic number.

It is an amenable number.

2557523364 is an abundant number, since it is smaller than the sum of its proper divisors (4235590236).

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

2557523364 is a wasteful number, since it uses less digits than its factorization.

2557523364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842440 (or 842438 counting only the distinct ones).

The product of its digits is 756000, while the sum is 42.

The square root of 2557523364 is about 50571.9622320511. The cubic root of 2557523364 is about 1367.5394704230.

The spelling of 2557523364 in words is "two billion, five hundred fifty-seven million, five hundred twenty-three thousand, three hundred sixty-four".