2572256404 has 18 divisors (see below), whose sum is σ = 4750839114. Its totient is φ = 1218436560.

The previous prime is 2572256399. The next prime is 2572256419. The reversal of 2572256404 is 4046522752.

It can be written as a sum of positive squares in only one way, i.e., 1528966404 + 1043290000 = 39102^2 + 32300^2 .

It is a super-2 number, since 2×2572256404² = 13233006015838022432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 889227 + ... + 892114.

Almost surely, 2^2572256404 is an apocalyptic number.

It is an amenable number.

2572256404 is a deficient number, since it is larger than the sum of its proper divisors (2178582710).

2572256404 is a wasteful number, since it uses less digits than its factorization.

2572256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781383 (or 1781362 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 2572256404 is about 50717.4171660979. The cubic root of 2572256404 is about 1370.1604237878.

The spelling of 2572256404 in words is "two billion, five hundred seventy-two million, two hundred fifty-six thousand, four hundred four".