621607468032 has 264 divisors, whose sum is σ = 1959335996800. Its totient is φ = 196295602176.

The previous prime is 621607468003. The next prime is 621607468081. The reversal of 621607468032 is 230864706126.

621607468032 is a `hidden beast` number, since 6 + 2 + 1 + 607 + 4 + 6 + 8 + 0 + 32 = 666.

It is a congruent number.

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, 4662069 + ... + 4793547.

Almost surely, 2^621607468032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621607468032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979667998400).

621607468032 is an abundant number, since it is smaller than the sum of its proper divisors (1337728528768).

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

621607468032 is a wasteful number, since it uses less digits than its factorization.

621607468032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131533 (or 131503 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 621607468032 in words is "six hundred twenty-one billion, six hundred seven million, four hundred sixty-eight thousand, thirty-two".