42561532332 has 72 divisors (see below), whose sum is σ = 118154509200. Its totient is φ = 12810856320.

The previous prime is 42561532313. The next prime is 42561532337. The reversal of 42561532332 is 23323516524.

42561532332 is a `hidden beast` number, since 4 + 2 + 5 + 615 + 3 + 2 + 3 + 32 = 666.

It is a super-2 number, since 2×42561532332² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42561532337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301663 + ... + 419670.

It is an arithmetic number, because the mean of its divisors is an integer number (1641034850).

Almost surely, 2^42561532332 is an apocalyptic number.

It is an amenable number.

42561532332 is an abundant number, since it is smaller than the sum of its proper divisors (75592976868).

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

42561532332 is a wasteful number, since it uses less digits than its factorization.

42561532332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721503 (or 721498 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 42561532332 in words is "forty-two billion, five hundred sixty-one million, five hundred thirty-two thousand, three hundred thirty-two".