520773376 has 54 divisors (see below), whose sum is σ = 1104414080. Its totient is φ = 245035008.

The previous prime is 520773347. The next prime is 520773391. The reversal of 520773376 is 673377025.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 70465 + ... + 77503.

Almost surely, 2^520773376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520773376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552207040).

520773376 is an abundant number, since it is smaller than the sum of its proper divisors (583640704).

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

520773376 is an equidigital number, since it uses as much as digits as its factorization.

520773376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 40.

The square root of 520773376 is about 22820.4595922168. The cubic root of 520773376 is about 804.5436122965.

The spelling of 520773376 in words is "five hundred twenty million, seven hundred seventy-three thousand, three hundred seventy-six".