520074423738 has 48 divisors (see below), whose sum is σ = 1169577042816. Its totient is φ = 173207600640.

The previous prime is 520074423727. The next prime is 520074423761. The reversal of 520074423738 is 837324470025.

520074423738 is a `hidden beast` number, since 5 + 200 + 74 + 4 + 2 + 373 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 520074423693 and 520074423702.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96303 + ... + 1024413.

It is an arithmetic number, because the mean of its divisors is an integer number (24366188392).

Almost surely, 2^520074423738 is an apocalyptic number.

520074423738 is an abundant number, since it is smaller than the sum of its proper divisors (649502619078).

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

520074423738 is a wasteful number, since it uses less digits than its factorization.

520074423738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929281 (or 929269 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 520074423738 in words is "five hundred twenty billion, seventy-four million, four hundred twenty-three thousand, seven hundred thirty-eight".