42213568 has 28 divisors (see below), whose sum is σ = 86473792. Its totient is φ = 20424960.

The previous prime is 42213553. The next prime is 42213569. The reversal of 42213568 is 86531224.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (42213569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8655 + ... + 12622.

Almost surely, 2^42213568 is an apocalyptic number.

It is an amenable number.

42213568 is an abundant number, since it is smaller than the sum of its proper divisors (44260224).

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

42213568 is a wasteful number, since it uses less digits than its factorization.

42213568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21320 (or 21310 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 42213568 is about 6497.1969340632. The cubic root of 42213568 is about 348.1908496466.

The spelling of 42213568 in words is "forty-two million, two hundred thirteen thousand, five hundred sixty-eight".