620960256000 has 2496 divisors, whose sum is σ = 2857683419136. Its totient is φ = 131383296000.

The previous prime is 620960255999. The next prime is 620960256073. The reversal of 620960256000 is 652069026.

620960256000 is a `hidden beast` number, since 6 + 2 + 0 + 96 + 0 + 2 + 560 + 0 + 0 = 666.

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

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 191 ways as a sum of consecutive naturals, for example, 20030975985 + ... + 20030976015.

It is an arithmetic number, because the mean of its divisors is an integer number (1144905216).

Almost surely, 2^620960256000 is an apocalyptic number.

620960256000 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 620960256000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428841709568).

620960256000 is an abundant number, since it is smaller than the sum of its proper divisors (2236723163136).

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

620960256000 is an equidigital number, since it uses as much as digits as its factorization.

620960256000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 620960256000 in words is "six hundred twenty billion, nine hundred sixty million, two hundred fifty-six thousand".