2564008492 has 12 divisors (see below), whose sum is σ = 4548481336. Its totient is φ = 1264442400.

The previous prime is 2564008487. The next prime is 2564008519. The reversal of 2564008492 is 2948004652.

It is a super-2 number, since 2×2564008492² = 13148279094096228128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390134 + ... + 4390717.

Almost surely, 2^2564008492 is an apocalyptic number.

It is an amenable number.

2564008492 is a deficient number, since it is larger than the sum of its proper divisors (1984472844).

2564008492 is a wasteful number, since it uses less digits than its factorization.

2564008492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780928 (or 8780926 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2564008492 is about 50636.0394580777. The cubic root of 2564008492 is about 1368.6943875934.

The spelling of 2564008492 in words is "two billion, five hundred sixty-four million, eight thousand, four hundred ninety-two".