2492561188 has 24 divisors (see below), whose sum is σ = 4711491512. Its totient is φ = 1146991104.

The previous prime is 2492561171. The next prime is 2492561209. The reversal of 2492561188 is 8811652942.

It can be written as a sum of positive squares in 4 ways, for example, as 125933284 + 2366627904 = 11222^2 + 48648^2 .

It is a super-2 number, since 2×2492561188² = 12425722551847942688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53595 + ... + 88642.

Almost surely, 2^2492561188 is an apocalyptic number.

It is an amenable number.

2492561188 is a deficient number, since it is larger than the sum of its proper divisors (2218930324).

2492561188 is a wasteful number, since it uses less digits than its factorization.

2492561188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142591 (or 142589 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 2492561188 is about 49925.5564615959. The cubic root of 2492561188 is about 1355.8613347762.

The spelling of 2492561188 in words is "two billion, four hundred ninety-two million, five hundred sixty-one thousand, one hundred eighty-eight".