42642165134464 has 32 divisors (see below), whose sum is σ = 97087072406400. Its totient is φ = 18275213628672.

The previous prime is 42642165134431. The next prime is 42642165134477. The reversal of 42642165134464 is 46443156124624.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23795850184 + ... + 23795851975.

It is an arithmetic number, because the mean of its divisors is an integer number (3033971012700).

Almost surely, 2^{42642165134464} is an apocalyptic number.

It is an amenable number.

42642165134464 is an abundant number, since it is smaller than the sum of its proper divisors (54444907271936).

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

42642165134464 is an equidigital number, since it uses as much as digits as its factorization.

42642165134464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47591702180 (or 47591702168 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 52.

The spelling of 42642165134464 in words is "forty-two trillion, six hundred forty-two billion, one hundred sixty-five million, one hundred thirty-four thousand, four hundred sixty-four".