520791748 has 24 divisors (see below), whose sum is σ = 981669920. Its totient is φ = 240952320.

The previous prime is 520791743. The next prime is 520791749. The reversal of 520791748 is 847197025.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (520791743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76413 + ... + 82948.

Almost surely, 2^520791748 is an apocalyptic number.

It is an amenable number.

520791748 is a deficient number, since it is larger than the sum of its proper divisors (460878172).

520791748 is a wasteful number, since it uses less digits than its factorization.

520791748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159427 (or 159425 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 520791748 is about 22820.8621221899. The cubic root of 520791748 is about 804.5530731625.

The spelling of 520791748 in words is "five hundred twenty million, seven hundred ninety-one thousand, seven hundred forty-eight".