520473117600 has 108 divisors (see below), whose sum is σ = 1835318356326. Its totient is φ = 138792829440.

The previous prime is 520473117551. The next prime is 520473117691. The reversal of 520473117600 is 6711374025.

It is a happy number.

520473117600 is a `hidden beast` number, since 5 + 2 + 0 + 4 + 7 + 31 + 17 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 296558663184 + 223914454416 = 544572^2 + 473196^2 .

It is a super-2 number, since 2×520473117600² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 17 ways as a sum of consecutive naturals, for example, 36136767 + ... + 36151166.

Almost surely, 2^520473117600 is an apocalyptic number.

520473117600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520473117600 is an abundant number, since it is smaller than the sum of its proper divisors (1314845238726).

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

520473117600 is a wasteful number, since it uses less digits than its factorization.

520473117600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72287959 (or 72287943 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 520473117600 in words is "five hundred twenty billion, four hundred seventy-three million, one hundred seventeen thousand, six hundred".