42131592 has 48 divisors (see below), whose sum is σ = 114404940. Its totient is φ = 14007168.

The previous prime is 42131563. The next prime is 42131597. The reversal of 42131592 is 29513124.

42131592 is a `hidden beast` number, since 42 + 1 + 31 + 592 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40373316 + 1758276 = 6354^2 + 1326^2 .

It is not an unprimeable number, because it can be changed into a prime (42131597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54118 + ... + 54890.

Almost surely, 2^42131592 is an apocalyptic number.

It is an amenable number.

42131592 is an abundant number, since it is smaller than the sum of its proper divisors (72273348).

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

42131592 is a wasteful number, since it uses less digits than its factorization.

42131592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1535 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 42131592 is about 6490.8853017135. The cubic root of 42131592 is about 347.9653156078.

The spelling of 42131592 in words is "forty-two million, one hundred thirty-one thousand, five hundred ninety-two".