42648132 has 12 divisors (see below), whose sum is σ = 99512336. Its totient is φ = 14216040.

The previous prime is 42648127. The next prime is 42648143. The reversal of 42648132 is 23184624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42648132.

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, 1776994 + ... + 1777017.

Almost surely, 2^42648132 is an apocalyptic number.

It is an amenable number.

42648132 is an abundant number, since it is smaller than the sum of its proper divisors (56864204).

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

42648132 is a wasteful number, since it uses less digits than its factorization.

42648132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554018 (or 3554016 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 42648132 is about 6530.5537284368. The cubic root of 42648132 is about 349.3815800575.

The spelling of 42648132 in words is "forty-two million, six hundred forty-eight thousand, one hundred thirty-two".