426658856624 has 160 divisors (see below), whose sum is σ = 1168326888960. Its totient is φ = 145367654400.

The previous prime is 426658856621. The next prime is 426658856653.

It is a happy number.

426658856624 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (426658856621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396737 + ... + 1005344.

It is an arithmetic number, because the mean of its divisors is an integer number (7302043056).

Almost surely, 2^426658856624 is an apocalyptic number.

426658856624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

426658856624 is an abundant number, since it is smaller than the sum of its proper divisors (741668032336).

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

426658856624 is a wasteful number, since it uses less digits than its factorization.

426658856624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402139 (or 1402133 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 62.

The spelling of 426658856624 in words is "four hundred twenty-six billion, six hundred fifty-eight million, eight hundred fifty-six thousand, six hundred twenty-four".