624120045420 has 48 divisors (see below), whose sum is σ = 1767171379680. Its totient is φ = 164561988096.

The previous prime is 624120045401. The next prime is 624120045443. The reversal of 624120045420 is 24540021426.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 58432867 + ... + 58443546.

It is an arithmetic number, because the mean of its divisors is an integer number (36816070410).

Almost surely, 2^624120045420 is an apocalyptic number.

624120045420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

624120045420 is an abundant number, since it is smaller than the sum of its proper divisors (1143051334260).

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

624120045420 is a wasteful number, since it uses less digits than its factorization.

624120045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116876514 (or 116876512 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 624120045420 its reverse (24540021426), we get a palindrome (648660066846).

The spelling of 624120045420 in words is "six hundred twenty-four billion, one hundred twenty million, forty-five thousand, four hundred twenty".