42081506184 has 64 divisors (see below), whose sum is σ = 106273944000. Its totient is φ = 13885127936.

The previous prime is 42081506167. The next prime is 42081506231. The reversal of 42081506184 is 48160518024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027687 + ... + 1067849.

It is an arithmetic number, because the mean of its divisors is an integer number (1660530375).

Almost surely, 2^42081506184 is an apocalyptic number.

It is an amenable number.

42081506184 is an abundant number, since it is smaller than the sum of its proper divisors (64192437816).

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

42081506184 is a wasteful number, since it uses less digits than its factorization.

42081506184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40614 (or 40610 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 42081506184 in words is "forty-two billion, eighty-one million, five hundred six thousand, one hundred eighty-four".