507427681356 has 30 divisors (see below), whose sum is σ = 1326516192540. Its totient is φ = 169142560344.

The previous prime is 507427681303. The next prime is 507427681357. The reversal of 507427681356 is 653186724705.

507427681356 is a `hidden beast` number, since 507 + 4 + 2 + 7 + 6 + 81 + 3 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (507427681357) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 783067086 + ... + 783067733.

It is an arithmetic number, because the mean of its divisors is an integer number (44217206418).

Almost surely, 2^507427681356 is an apocalyptic number.

It is an amenable number.

507427681356 is an abundant number, since it is smaller than the sum of its proper divisors (819088511184).

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

507427681356 is a wasteful number, since it uses less digits than its factorization.

507427681356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566134835 (or 1566134824 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 507427681356 in words is "five hundred seven billion, four hundred twenty-seven million, six hundred eighty-one thousand, three hundred fifty-six".