442100044166164 has 12 divisors (see below), whose sum is σ = 773682051945600. Its totient is φ = 221048029324568.

The previous prime is 442100044166129. The next prime is 442100044166171. The reversal of 442100044166164 is 461661440001244.

It is a self number, because there is not a number n which added to its sum of digits gives 442100044166164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497690404 + ... + 498577915.

It is an arithmetic number, because the mean of its divisors is an integer number (64473504328800).

Almost surely, 2^{442100044166164} is an apocalyptic number.

It is an amenable number.

442100044166164 is a deficient number, since it is larger than the sum of its proper divisors (331582007779436).

442100044166164 is a wasteful number, since it uses less digits than its factorization.

442100044166164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996379262 (or 996379260 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 442100044166164 in words is "four hundred forty-two trillion, one hundred billion, forty-four million, one hundred sixty-six thousand, one hundred sixty-four".