621319680000 has 1040 divisors, whose sum is σ = 2349041191200. Its totient is φ = 162201600000.

The previous prime is 621319679977. The next prime is 621319680061. The reversal of 621319680000 is 86913126.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6151679950 + ... + 6151680050.

Almost surely, 2^621319680000 is an apocalyptic number.

621319680000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621319680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174520595600).

621319680000 is an abundant number, since it is smaller than the sum of its proper divisors (1727721511200).

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

621319680000 is an equidigital number, since it uses as much as digits as its factorization.

621319680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 621319680000 in words is "six hundred twenty-one billion, three hundred nineteen million, six hundred eighty thousand".