42534660 has 48 divisors (see below), whose sum is σ = 136112256. Its totient is φ = 9722112.

The previous prime is 42534641. The next prime is 42534683. The reversal of 42534660 is 6643524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50217 + ... + 51056.

It is an arithmetic number, because the mean of its divisors is an integer number (2835672).

Almost surely, 2^42534660 is an apocalyptic number.

It is an amenable number.

42534660 is an abundant number, since it is smaller than the sum of its proper divisors (93577596).

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

42534660 is a wasteful number, since it uses less digits than its factorization.

42534660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101292 (or 101290 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42534660 is about 6521.8601640943. The cubic root of 42534660 is about 349.0714434626.

The spelling of 42534660 in words is "forty-two million, five hundred thirty-four thousand, six hundred sixty".