2499752864 has 24 divisors (see below), whose sum is σ = 5624444448. Its totient is φ = 1071322560.

The previous prime is 2499752851. The next prime is 2499752881. The reversal of 2499752864 is 4682579942.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579582 + ... + 5580029.

It is an arithmetic number, because the mean of its divisors is an integer number (234351852).

Almost surely, 2^2499752864 is an apocalyptic number.

It is an amenable number.

2499752864 is an abundant number, since it is smaller than the sum of its proper divisors (3124691584).

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

2499752864 is a wasteful number, since it uses less digits than its factorization.

2499752864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159628 (or 11159620 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 2499752864 is about 49997.5285789208. The cubic root of 2499752864 is about 1357.1640848029.

The spelling of 2499752864 in words is "two billion, four hundred ninety-nine million, seven hundred fifty-two thousand, eight hundred sixty-four".