520076280 has 64 divisors (see below), whose sum is σ = 1589686560. Its totient is φ = 136068608.

The previous prime is 520076279. The next prime is 520076287. The reversal of 520076280 is 82670025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520076287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34527 + ... + 47246.

Almost surely, 2^520076280 is an apocalyptic number.

It is an amenable number.

520076280 is an abundant number, since it is smaller than the sum of its proper divisors (1069610280).

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

520076280 is a wasteful number, since it uses less digits than its factorization.

520076280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81840 (or 81836 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 520076280 is about 22805.1809902925. The cubic root of 520076280 is about 804.1844704313.

The spelling of 520076280 in words is "five hundred twenty million, seventy-six thousand, two hundred eighty".