426398515164 has 72 divisors (see below), whose sum is σ = 1101022191360. Its totient is φ = 139107950112.

The previous prime is 426398515133. The next prime is 426398515199. The reversal of 426398515164 is 461515893624.

426398515164 is a `hidden beast` number, since 4 + 2 + 63 + 9 + 8 + 515 + 1 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 426398515164.

It is a congruent number.

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, 347124 + ... + 986555.

It is an arithmetic number, because the mean of its divisors is an integer number (15291974880).

Almost surely, 2^426398515164 is an apocalyptic number.

It is an amenable number.

426398515164 is an abundant number, since it is smaller than the sum of its proper divisors (674623676196).

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

426398515164 is a wasteful number, since it uses less digits than its factorization.

426398515164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333879 (or 1333874 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 426398515164 in words is "four hundred twenty-six billion, three hundred ninety-eight million, five hundred fifteen thousand, one hundred sixty-four".