481564686402 has 20 divisors (see below), whose sum is σ = 1079061612486. Its totient is φ = 160521562080.

The previous prime is 481564686401. The next prime is 481564686419. The reversal of 481564686402 is 204686465184.

481564686402 is a `hidden beast` number, since 4 + 8 + 156 + 4 + 6 + 86 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 420125645241 + 61439041161 = 648171^2 + 247869^2 .

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 (481564686401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1486310599 + ... + 1486310922.

Almost surely, 2^481564686402 is an apocalyptic number.

481564686402 is an abundant number, since it is smaller than the sum of its proper divisors (597496926084).

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

481564686402 is a wasteful number, since it uses less digits than its factorization.

481564686402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972621535 (or 2972621526 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 481564686402 in words is "four hundred eighty-one billion, five hundred sixty-four million, six hundred eighty-six thousand, four hundred two".