2520306904 has 32 divisors (see below), whose sum is σ = 4789517040. Its totient is φ = 1243216000.

The previous prime is 2520306871. The next prime is 2520306931. The reversal of 2520306904 is 4096030252.

It is a congruent number.

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, 174354 + ... + 188254.

Almost surely, 2^2520306904 is an apocalyptic number.

It is an amenable number.

2520306904 is a deficient number, since it is larger than the sum of its proper divisors (2269210136).

2520306904 is a wasteful number, since it uses less digits than its factorization.

2520306904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211 (or 14207 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2520306904 is about 50202.6583359885. The cubic root of 2520306904 is about 1360.8736644161.

The spelling of 2520306904 in words is "two billion, five hundred twenty million, three hundred six thousand, nine hundred four".