64442422600620 has 96 divisors (see below), whose sum is σ = 180781516016640. Its totient is φ = 17152024727040.

The previous prime is 64442422600603. The next prime is 64442422600639. The reversal of 64442422600620 is 2600622424446.

It is a happy 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, 103799325 + ... + 104418315.

It is an arithmetic number, because the mean of its divisors is an integer number (1883140791840).

Almost surely, 2^{64442422600620} is an apocalyptic number.

64442422600620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64442422600620 is an abundant number, since it is smaller than the sum of its proper divisors (116339093416020).

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

64442422600620 is a wasteful number, since it uses less digits than its factorization.

64442422600620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622295 (or 622293 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 64442422600620 in words is "sixty-four trillion, four hundred forty-two billion, four hundred twenty-two million, six hundred thousand, six hundred twenty".