512656420050 has 36 divisors (see below), whose sum is σ = 1377336916410. Its totient is φ = 136708378560.

The previous prime is 512656420049. The next prime is 512656420099. The reversal of 512656420050 is 50024656215.

512656420050 is a `hidden beast` number, since 5 + 1 + 2 + 6 + 5 + 642 + 0 + 0 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 455620950009 + 57035470041 = 674997^2 + 238821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512656419987 and 512656420014.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 569617795 + ... + 569618694.

Almost surely, 2^512656420050 is an apocalyptic number.

512656420050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

512656420050 is an abundant number, since it is smaller than the sum of its proper divisors (864680496360).

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

512656420050 is a wasteful number, since it uses less digits than its factorization.

512656420050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139236507 (or 1139236499 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 512656420050 in words is "five hundred twelve billion, six hundred fifty-six million, four hundred twenty thousand, fifty".