42016418 has 32 divisors (see below), whose sum is σ = 70709760. Its totient is φ = 18627840.

The previous prime is 42016417. The next prime is 42016421. The reversal of 42016418 is 81461024.

It is not an unprimeable number, because it can be changed into a prime (42016417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41903 + ... + 42893.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^42016418 is an apocalyptic number.

42016418 is a deficient number, since it is larger than the sum of its proper divisors (28693342).

42016418 is a wasteful number, since it uses less digits than its factorization.

42016418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42016418 is about 6482.0072508444. The cubic root of 42016418 is about 347.6479517671.

The spelling of 42016418 in words is "forty-two million, sixteen thousand, four hundred eighteen".