520791768 has 112 divisors (see below), whose sum is σ = 1673339280. Its totient is φ = 148785984.

The previous prime is 520791763. The next prime is 520791769. The reversal of 520791768 is 867197025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520791763) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 34446 + ... + 47202.

Almost surely, 2^520791768 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 520791768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836669640).

520791768 is an abundant number, since it is smaller than the sum of its proper divisors (1152547512).

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

520791768 is a wasteful number, since it uses less digits than its factorization.

520791768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 520791768 is about 22820.8625603854. The cubic root of 520791768 is about 804.5530834617.

The spelling of 520791768 in words is "five hundred twenty million, seven hundred ninety-one thousand, seven hundred sixty-eight".