42629868 has 24 divisors (see below), whose sum is σ = 110522160. Its totient is φ = 14209920.

The previous prime is 42629831. The next prime is 42629887. The reversal of 42629868 is 86892624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197253 + ... + 197468.

It is an arithmetic number, because the mean of its divisors is an integer number (4605090).

Almost surely, 2^42629868 is an apocalyptic number.

It is an amenable number.

42629868 is an abundant number, since it is smaller than the sum of its proper divisors (67892292).

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

42629868 is a wasteful number, since it uses less digits than its factorization.

42629868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394734 (or 394726 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42629868 is about 6529.1552286647. The cubic root of 42629868 is about 349.3316988865.

The spelling of 42629868 in words is "forty-two million, six hundred twenty-nine thousand, eight hundred sixty-eight".