520962990 has 32 divisors (see below), whose sum is σ = 1250964000. Its totient is φ = 138850944.

The previous prime is 520962947. The next prime is 520963019. The reversal of 520962990 is 99269025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79312 + ... + 85628.

It is an arithmetic number, because the mean of its divisors is an integer number (39092625).

Almost surely, 2^520962990 is an apocalyptic number.

520962990 is an abundant number, since it is smaller than the sum of its proper divisors (730001010).

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

520962990 is a wasteful number, since it uses less digits than its factorization.

520962990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 520962990 is about 22824.6136878590. The cubic root of 520962990 is about 804.6412454375.

The spelling of 520962990 in words is "five hundred twenty million, nine hundred sixty-two thousand, nine hundred ninety".