520498377984 has 72 divisors (see below), whose sum is σ = 1491845139232. Its totient is φ = 160153344000.

The previous prime is 520498377983. The next prime is 520498378009. The reversal of 520498377984 is 489773894025.

It is a super-2 number, since 2×520498377984² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520498377983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26056642 + ... + 26076609.

Almost surely, 2^520498377984 is an apocalyptic number.

It is an amenable number.

520498377984 is an abundant number, since it is smaller than the sum of its proper divisors (971346761248).

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

520498377984 is a wasteful number, since it uses less digits than its factorization.

520498377984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52133283 (or 52133269 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 520498377984 in words is "five hundred twenty billion, four hundred ninety-eight million, three hundred seventy-seven thousand, nine hundred eighty-four".