5261657904 has 30 divisors (see below), whose sum is σ = 14725334676. Its totient is φ = 1753885920.

The previous prime is 5261657893. The next prime is 5261657909. The reversal of 5261657904 is 4097561625.

It is a self number, because there is not a number n which added to its sum of digits gives 5261657904.

It is not an unprimeable number, because it can be changed into a prime (5261657909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18269502 + ... + 18269789.

Almost surely, 2^5261657904 is an apocalyptic number.

It is an amenable number.

5261657904 is an abundant number, since it is smaller than the sum of its proper divisors (9463676772).

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

5261657904 is a wasteful number, since it uses less digits than its factorization.

5261657904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36539305 (or 36539296 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 5261657904 is about 72537.2863015980. The cubic root of 5261657904 is about 1739.2988217209.

The spelling of 5261657904 in words is "five billion, two hundred sixty-one million, six hundred fifty-seven thousand, nine hundred four".