621041788380 has 96 divisors (see below), whose sum is σ = 1886349374784. Its totient is φ = 151755945984.

The previous prime is 621041788379. The next prime is 621041788391. The reversal of 621041788380 is 83887140126.

621041788380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2799007 + ... + 3012726.

It is an arithmetic number, because the mean of its divisors is an integer number (19649472654).

Almost surely, 2^621041788380 is an apocalyptic number.

621041788380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

621041788380 is an abundant number, since it is smaller than the sum of its proper divisors (1265307586404).

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

621041788380 is a wasteful number, since it uses less digits than its factorization.

621041788380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811895 (or 5811893 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 621041788380 in words is "six hundred twenty-one billion, forty-one million, seven hundred eighty-eight thousand, three hundred eighty".