621674496000 has 1008 divisors, whose sum is σ = 2449740803328. Its totient is φ = 150994944000.

The previous prime is 621674495993. The next prime is 621674496011. The reversal of 621674496000 is 694476126.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20054015985 + ... + 20054016015.

It is an arithmetic number, because the mean of its divisors is an integer number (2430298416).

Almost surely, 2^621674496000 is an apocalyptic number.

621674496000 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 621674496000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224870401664).

621674496000 is an abundant number, since it is smaller than the sum of its proper divisors (1828066307328).

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

621674496000 is an frugal number, since it uses more digits than its factorization.

621674496000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 621674496000 in words is "six hundred twenty-one billion, six hundred seventy-four million, four hundred ninety-six thousand".