42479418 has 16 divisors (see below), whose sum is σ = 85335840. Its totient is φ = 14096976.

The previous prime is 42479401. The next prime is 42479419. The reversal of 42479418 is 81497424.

It is not an unprimeable number, because it can be changed into a prime (42479419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14233 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (5333490).

Almost surely, 2^42479418 is an apocalyptic number.

42479418 is an abundant number, since it is smaller than the sum of its proper divisors (42856422).

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

42479418 is a wasteful number, since it uses less digits than its factorization.

42479418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31421.

The product of its digits is 64512, while the sum is 39.

The square root of 42479418 is about 6517.6236466982. The cubic root of 42479418 is about 348.9202588457.

The spelling of 42479418 in words is "forty-two million, four hundred seventy-nine thousand, four hundred eighteen".