42871590 has 24 divisors (see below), whose sum is σ = 111466368. Its totient is φ = 11432400.

The previous prime is 42871589. The next prime is 42871597. The reversal of 42871590 is 9517824.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42871597) 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, 238086 + ... + 238265.

It is an arithmetic number, because the mean of its divisors is an integer number (4644432).

Almost surely, 2^42871590 is an apocalyptic number.

42871590 is an abundant number, since it is smaller than the sum of its proper divisors (68594778).

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

42871590 is a wasteful number, since it uses less digits than its factorization.

42871590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476364 (or 476361 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 42871590 is about 6547.6400328668. The cubic root of 42871590 is about 349.9907208424.

The spelling of 42871590 in words is "forty-two million, eight hundred seventy-one thousand, five hundred ninety".