620630356400 has 240 divisors, whose sum is σ = 1615675637760. Its totient is φ = 228353126400.

The previous prime is 620630356363. The next prime is 620630356421. The reversal of 620630356400 is 4653036026.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45357560 + ... + 45371240.

It is an arithmetic number, because the mean of its divisors is an integer number (6731981824).

Almost surely, 2^620630356400 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 620630356400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807837818880).

620630356400 is an abundant number, since it is smaller than the sum of its proper divisors (995045281360).

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

620630356400 is a wasteful number, since it uses less digits than its factorization.

620630356400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892 (or 13881 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 620630356400 in words is "six hundred twenty billion, six hundred thirty million, three hundred fifty-six thousand, four hundred".