426234223872 has 108 divisors (see below), whose sum is σ = 1274454767040. Its totient is φ = 142078053888.

The previous prime is 426234223867. The next prime is 426234223913. The reversal of 426234223872 is 278322432624.

It is a happy number.

426234223872 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 342 + 238 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×426234223872² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3363672 + ... + 3488087.

Almost surely, 2^426234223872 is an apocalyptic number.

It is an amenable number.

426234223872 is an abundant number, since it is smaller than the sum of its proper divisors (848220543168).

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

426234223872 is an frugal number, since it uses more digits than its factorization.

426234223872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851790 (or 6851764 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 426234223872 in words is "four hundred twenty-six billion, two hundred thirty-four million, two hundred twenty-three thousand, eight hundred seventy-two".