2492157564 has 48 divisors (see below), whose sum is σ = 6958164640. Its totient is φ = 766817280.

The previous prime is 2492157557. The next prime is 2492157589. The reversal of 2492157564 is 4657512942.

2492157564 is a `hidden beast` number, since 2 + 492 + 157 + 5 + 6 + 4 = 666.

2492157564 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886117 + ... + 888924.

Almost surely, 2^2492157564 is an apocalyptic number.

It is an amenable number.

2492157564 is an abundant number, since it is smaller than the sum of its proper divisors (4466007076).

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

2492157564 is a wasteful number, since it uses less digits than its factorization.

2492157564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775067 (or 1775059 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 2492157564 is about 49921.5140395401. The cubic root of 2492157564 is about 1355.7881453034.

The spelling of 2492157564 in words is "two billion, four hundred ninety-two million, one hundred fifty-seven thousand, five hundred sixty-four".