2520638814 has 32 divisors (see below), whose sum is σ = 5077416960. Its totient is φ = 834212192.

The previous prime is 2520638789. The next prime is 2520638851. The reversal of 2520638814 is 4188360252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497707 + ... + 502745.

It is an arithmetic number, because the mean of its divisors is an integer number (158669280).

Almost surely, 2^2520638814 is an apocalyptic number.

2520638814 is an abundant number, since it is smaller than the sum of its proper divisors (2556778146).

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

2520638814 is a wasteful number, since it uses less digits than its factorization.

2520638814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2520638814 is about 50205.9639286012. The cubic root of 2520638814 is about 1360.9334015524.

The spelling of 2520638814 in words is "two billion, five hundred twenty million, six hundred thirty-eight thousand, eight hundred fourteen".