521080480 has 48 divisors (see below), whose sum is σ = 1261094184. Its totient is φ = 203345920.

The previous prime is 521080463. The next prime is 521080517. The reversal of 521080480 is 84080125.

521080480 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 384003216 + 137077264 = 19596^2 + 11708^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33157 + ... + 46276.

Almost surely, 2^521080480 is an apocalyptic number.

It is an amenable number.

521080480 is an abundant number, since it is smaller than the sum of its proper divisors (740013704).

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

521080480 is a wasteful number, since it uses less digits than its factorization.

521080480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79489 (or 79481 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 521080480 is about 22827.1872993586. The cubic root of 521080480 is about 804.7017297047.

The spelling of 521080480 in words is "five hundred twenty-one million, eighty thousand, four hundred eighty".