2503902864 has 20 divisors (see below), whose sum is σ = 6468415856. Its totient is φ = 834634272.

The previous prime is 2503902853. The next prime is 2503902881. The reversal of 2503902864 is 4682093052.

It is a happy number.

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, 26082274 + ... + 26082369.

Almost surely, 2^2503902864 is an apocalyptic number.

2503902864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2503902864 is an abundant number, since it is smaller than the sum of its proper divisors (3964512992).

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

2503902864 is a wasteful number, since it uses less digits than its factorization.

2503902864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52164654 (or 52164648 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2503902864 is about 50039.0134195310. The cubic root of 2503902864 is about 1357.9147079405.

The spelling of 2503902864 in words is "two billion, five hundred three million, nine hundred two thousand, eight hundred sixty-four".