42685236 has 36 divisors (see below), whose sum is σ = 117708864. Its totient is φ = 12934800.

The previous prime is 42685219. The next prime is 42685241. The reversal of 42685236 is 63258624.

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

It is a super-3 number, since 3×42685236³ (a number of 24 digits) contains 333 as substring.

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 42685236.

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, 53500 + ... + 54291.

Almost surely, 2^42685236 is an apocalyptic number.

It is an amenable number.

42685236 is an abundant number, since it is smaller than the sum of its proper divisors (75023628).

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

42685236 is a wasteful number, since it uses less digits than its factorization.

42685236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107812 (or 107807 counting only the distinct ones).

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

The square root of 42685236 is about 6533.3939112838. The cubic root of 42685236 is about 349.4828716885.

The spelling of 42685236 in words is "forty-two million, six hundred eighty-five thousand, two hundred thirty-six".