624430228820 has 24 divisors (see below), whose sum is σ = 1311380044128. Its totient is φ = 249757508000.

The previous prime is 624430228819. The next prime is 624430228883. The reversal of 624430228820 is 28822034426.

It is a super-2 number, since 2×624430228820² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557006 + ... + 1248645.

It is an arithmetic number, because the mean of its divisors is an integer number (54640835172).

Almost surely, 2^624430228820 is an apocalyptic number.

It is an amenable number.

624430228820 is an abundant number, since it is smaller than the sum of its proper divisors (686949815308).

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

624430228820 is a wasteful number, since it uses less digits than its factorization.

624430228820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822951 (or 1822949 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 624430228820 in words is "six hundred twenty-four billion, four hundred thirty million, two hundred twenty-eight thousand, eight hundred twenty".