2565264404 has 12 divisors (see below), whose sum is σ = 4725487200. Its totient is φ = 1215125208.

The previous prime is 2565264367. The next prime is 2565264409. The reversal of 2565264404 is 4044625652.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565264409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16876664 + ... + 16876815.

It is an arithmetic number, because the mean of its divisors is an integer number (393790600).

Almost surely, 2^2565264404 is an apocalyptic number.

It is an amenable number.

2565264404 is a deficient number, since it is larger than the sum of its proper divisors (2160222796).

2565264404 is a wasteful number, since it uses less digits than its factorization.

2565264404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33753502 (or 33753500 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 2565264404 is about 50648.4393046814. The cubic root of 2565264404 is about 1368.9178240764.

The spelling of 2565264404 in words is "two billion, five hundred sixty-five million, two hundred sixty-four thousand, four hundred four".