426004665264 has 120 divisors (see below), whose sum is σ = 1244279548512. Its totient is φ = 135803289600.

The previous prime is 426004665221. The next prime is 426004665283. The reversal of 426004665264 is 462566400624.

426004665264 is a `hidden beast` number, since 4 + 2 + 60 + 0 + 4 + 66 + 526 + 4 = 666.

It is a super-3 number, since 3×426004665264³ (a number of 36 digits) contains 333 as substring.

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, 31791814 + ... + 31805210.

Almost surely, 2^426004665264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426004665264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622139774256).

426004665264 is an abundant number, since it is smaller than the sum of its proper divisors (818274883248).

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

426004665264 is a wasteful number, since it uses less digits than its factorization.

426004665264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23035 (or 23026 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 426004665264 in words is "four hundred twenty-six billion, four million, six hundred sixty-five thousand, two hundred sixty-four".