520493364 has 36 divisors (see below), whose sum is σ = 1364423424. Its totient is φ = 173497464.

The previous prime is 520493329. The next prime is 520493387. The reversal of 520493364 is 463394025.

520493364 is a `hidden beast` number, since 5 + 204 + 93 + 364 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266772 + ... + 268715.

Almost surely, 2^520493364 is an apocalyptic number.

520493364 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

520493364 is an abundant number, since it is smaller than the sum of its proper divisors (843930060).

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

520493364 is a wasteful number, since it uses less digits than its factorization.

520493364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535506 (or 535492 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 520493364 is about 22814.3236586141. The cubic root of 520493364 is about 804.3993894507.

The spelling of 520493364 in words is "five hundred twenty million, four hundred ninety-three thousand, three hundred sixty-four".