520464366 has 20 divisors (see below), whose sum is σ = 1166226072. Its totient is φ = 173488068.

The previous prime is 520464341. The next prime is 520464433. The reversal of 520464366 is 663464025.

520464366 is a `hidden beast` number, since 5 + 2 + 0 + 4 + 643 + 6 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 520464366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1606210 + ... + 1606533.

Almost surely, 2^520464366 is an apocalyptic number.

520464366 is an abundant number, since it is smaller than the sum of its proper divisors (645761706).

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

520464366 is a wasteful number, since it uses less digits than its factorization.

520464366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212757 (or 3212748 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 520464366 is about 22813.6881279639. The cubic root of 520464366 is about 804.3844507994.

The spelling of 520464366 in words is "five hundred twenty million, four hundred sixty-four thousand, three hundred sixty-six".