624666666426 has 32 divisors (see below), whose sum is σ = 1362938609088. Its totient is φ = 189288829440.

The previous prime is 624666666413. The next prime is 624666666511.

624666666426 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×624666666426² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 624666666426.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4568266 + ... + 4703018.

It is an arithmetic number, because the mean of its divisors is an integer number (42591831534).

Almost surely, 2^624666666426 is an apocalyptic number.

624666666426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

624666666426 is an abundant number, since it is smaller than the sum of its proper divisors (738271942662).

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

624666666426 is a wasteful number, since it uses less digits than its factorization.

624666666426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205006.

The product of its digits is 107495424, while the sum is 60.

The spelling of 624666666426 in words is "six hundred twenty-four billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred twenty-six".