42431184 has 60 divisors (see below), whose sum is σ = 125740836. Its totient is φ = 13310976.

The previous prime is 42431143. The next prime is 42431197. The reversal of 42431184 is 48113424.

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 26749584 = 3960^2 + 5172^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6219 + ... + 11114.

Almost surely, 2^42431184 is an apocalyptic number.

It is an amenable number.

42431184 is an abundant number, since it is smaller than the sum of its proper divisors (83309652).

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

42431184 is a wasteful number, since it uses less digits than its factorization.

42431184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17364 (or 17355 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 42431184 is about 6513.9223206913. The cubic root of 42431184 is about 348.7881462880.

The spelling of 42431184 in words is "forty-two million, four hundred thirty-one thousand, one hundred eighty-four".