42625836 has 36 divisors (see below), whose sum is σ = 117545064. Its totient is φ = 12916800.

The previous prime is 42625823. The next prime is 42625841. The reversal of 42625836 is 63852624.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42625836.

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, 53425 + ... + 54216.

Almost surely, 2^42625836 is an apocalyptic number.

It is an amenable number.

42625836 is an abundant number, since it is smaller than the sum of its proper divisors (74919228).

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

42625836 is a wasteful number, since it uses less digits than its factorization.

42625836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107662 (or 107657 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42625836 is about 6528.8464524754. The cubic root of 42625836 is about 349.3206850920.

It can be divided in two parts, 426 and 25836, that added together give a palindrome (26262).

The spelling of 42625836 in words is "forty-two million, six hundred twenty-five thousand, eight hundred thirty-six".