42407568 has 60 divisors (see below), whose sum is σ = 135640128. Its totient is φ = 12116160.

The previous prime is 42407557. The next prime is 42407569. The reversal of 42407568 is 86570424.

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

It is not an unprimeable number, because it can be changed into a prime (42407569) 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, 20028 + ... + 22043.

Almost surely, 2^42407568 is an apocalyptic number.

42407568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42407568 is an abundant number, since it is smaller than the sum of its proper divisors (93232560).

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

42407568 is a wasteful number, since it uses less digits than its factorization.

42407568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42092 (or 42083 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42407568 is about 6512.1093356915. The cubic root of 42407568 is about 348.7234257317.

The spelling of 42407568 in words is "forty-two million, four hundred seven thousand, five hundred sixty-eight".