2500036664 has 64 divisors (see below), whose sum is σ = 5028065280. Its totient is φ = 1163232000.

The previous prime is 2500036657. The next prime is 2500036673. The reversal of 2500036664 is 4666300052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500036664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720197 + ... + 723659.

It is an arithmetic number, because the mean of its divisors is an integer number (78563520).

Almost surely, 2^2500036664 is an apocalyptic number.

It is an amenable number.

2500036664 is an abundant number, since it is smaller than the sum of its proper divisors (2528028616).

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

2500036664 is a wasteful number, since it uses less digits than its factorization.

2500036664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2500036664 is about 50000.3666386558. The cubic root of 2500036664 is about 1357.2154430255.

The spelling of 2500036664 in words is "two billion, five hundred million, thirty-six thousand, six hundred sixty-four".