621050774328 has 24 divisors (see below), whose sum is σ = 1682012514000. Its totient is φ = 207016924752.

The previous prime is 621050774327. The next prime is 621050774341. The reversal of 621050774328 is 823477050126.

621050774328 is a `hidden beast` number, since 62 + 10 + 507 + 74 + 3 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621050774327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4312852528 + ... + 4312852671.

It is an arithmetic number, because the mean of its divisors is an integer number (70083854750).

Almost surely, 2^621050774328 is an apocalyptic number.

It is an amenable number.

621050774328 is an abundant number, since it is smaller than the sum of its proper divisors (1060961739672).

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

621050774328 is a wasteful number, since it uses less digits than its factorization.

621050774328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625705211 (or 8625705204 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 621050774328 in words is "six hundred twenty-one billion, fifty million, seven hundred seventy-four thousand, three hundred twenty-eight".