2557614632 has 32 divisors (see below), whose sum is σ = 4969036800. Its totient is φ = 1232683200.

The previous prime is 2557614629. The next prime is 2557614701. The reversal of 2557614632 is 2364167552.

It is a self number, because there is not a number n which added to its sum of digits gives 2557614632.

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, 137657 + ... + 155127.

It is an arithmetic number, because the mean of its divisors is an integer number (155282400).

Almost surely, 2^2557614632 is an apocalyptic number.

It is an amenable number.

2557614632 is a deficient number, since it is larger than the sum of its proper divisors (2411422168).

2557614632 is a wasteful number, since it uses less digits than its factorization.

2557614632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137 (or 18133 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 2557614632 is about 50572.8645817102. The cubic root of 2557614632 is about 1367.5557376068. Note that the first 3 decimals are identical.

The spelling of 2557614632 in words is "two billion, five hundred fifty-seven million, six hundred fourteen thousand, six hundred thirty-two".