3622642945920 has 256 divisors, whose sum is σ = 13388029747200. Its totient is φ = 924036360192.

The previous prime is 3622642945849. The next prime is 3622642945949. The reversal of 3622642945920 is 295492462263.

3622642945920 is a `hidden beast` number, since 3 + 6 + 2 + 2 + 6 + 42 + 9 + 4 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 4160032 + ... + 4954911.

It is an arithmetic number, because the mean of its divisors is an integer number (52296991200).

Almost surely, 2^{3622642945920} is an apocalyptic number.

3622642945920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3622642945920 is an abundant number, since it is smaller than the sum of its proper divisors (9765386801280).

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

3622642945920 is a wasteful number, since it uses less digits than its factorization.

3622642945920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114994 (or 9114976 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 3622642945920 in words is "three trillion, six hundred twenty-two billion, six hundred forty-two million, nine hundred forty-five thousand, nine hundred twenty".