42431592 has 128 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 11209728.

The previous prime is 42431567. The next prime is 42431651. The reversal of 42431592 is 29513424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236959 + ... + 237137.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^42431592 is an apocalyptic number.

42431592 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42431592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

42431592 is an abundant number, since it is smaller than the sum of its proper divisors (88205208).

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

42431592 is a wasteful number, since it uses less digits than its factorization.

42431592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 42431592 is about 6513.9536381525. The cubic root of 42431592 is about 348.7892642166.

The spelling of 42431592 in words is "forty-two million, four hundred thirty-one thousand, five hundred ninety-two".