624312213426 has 48 divisors (see below), whose sum is σ = 1476929645568. Its totient is φ = 189021084000.

The previous prime is 624312213407. The next prime is 624312213439.

624312213426 is a `hidden beast` number, since 6 + 2 + 4 + 3 + 1 + 221 + 3 + 426 = 666.

624312213426 is nontrivially palindromic in base 10.

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, 1141821 + ... + 1597616.

It is an arithmetic number, because the mean of its divisors is an integer number (30769367616).

Almost surely, 2^624312213426 is an apocalyptic number.

624312213426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

624312213426 is an abundant number, since it is smaller than the sum of its proper divisors (852617432142).

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

624312213426 is a wasteful number, since it uses less digits than its factorization.

624312213426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740607 (or 2740604 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 624312 and 213426, that added together give a palindrome (837738).

The spelling of 624312213426 in words is "six hundred twenty-four billion, three hundred twelve million, two hundred thirteen thousand, four hundred twenty-six".