2557281160 has 64 divisors (see below), whose sum is σ = 6580339200. Its totient is φ = 876185856.

The previous prime is 2557281149. The next prime is 2557281169. The reversal of 2557281160 is 611827552.

It is not an unprimeable number, because it can be changed into a prime (2557281169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667009 + ... + 670831.

It is an arithmetic number, because the mean of its divisors is an integer number (102817800).

Almost surely, 2^2557281160 is an apocalyptic number.

2557281160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557281160 is an abundant number, since it is smaller than the sum of its proper divisors (4023058040).

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

2557281160 is a wasteful number, since it uses less digits than its factorization.

2557281160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230 (or 6226 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 2557281160 is about 50569.5675283070. The cubic root of 2557281160 is about 1367.4962992323.

The spelling of 2557281160 in words is "two billion, five hundred fifty-seven million, two hundred eighty-one thousand, one hundred sixty".