42985418 has 32 divisors (see below), whose sum is σ = 78537600. Its totient is φ = 17224704.

The previous prime is 42985409. The next prime is 42985427. The reversal of 42985418 is 81458924.

It is an interprime number because it is at equal distance from previous prime (42985409) and next prime (42985427).

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, 42098 + ... + 43106.

It is an arithmetic number, because the mean of its divisors is an integer number (2454300).

Almost surely, 2^42985418 is an apocalyptic number.

42985418 is a deficient number, since it is larger than the sum of its proper divisors (35552182).

42985418 is a wasteful number, since it uses less digits than its factorization.

42985418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its digits is 92160, while the sum is 41.

The square root of 42985418 is about 6556.3265629467. The cubic root of 42985418 is about 350.3001995841.

The spelling of 42985418 in words is "forty-two million, nine hundred eighty-five thousand, four hundred eighteen".