520498377996 has 12 divisors (see below), whose sum is σ = 1214496215352. Its totient is φ = 173499459328.

The previous prime is 520498377983. The next prime is 520498378009. The reversal of 520498377996 is 699773894025.

It is an interprime number because it is at equal distance from previous prime (520498377983) and next prime (520498378009).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×520498377996² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520498377996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21687432405 + ... + 21687432428.

It is an arithmetic number, because the mean of its divisors is an integer number (101208017946).

Almost surely, 2^520498377996 is an apocalyptic number.

It is an amenable number.

520498377996 is an abundant number, since it is smaller than the sum of its proper divisors (693997837356).

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

520498377996 is a wasteful number, since it uses less digits than its factorization.

520498377996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43374864840 (or 43374864838 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 520498377996 in words is "five hundred twenty billion, four hundred ninety-eight million, three hundred seventy-seven thousand, nine hundred ninety-six".