42285418 has 16 divisors (see below), whose sum is σ = 73719360. Its totient is φ = 17814816.

The previous prime is 42285389. The next prime is 42285421. The reversal of 42285418 is 81458224.

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, 24771 + ... + 26422.

It is an arithmetic number, because the mean of its divisors is an integer number (4607460).

Almost surely, 2^42285418 is an apocalyptic number.

42285418 is a deficient number, since it is larger than the sum of its proper divisors (31433942).

42285418 is a wasteful number, since it uses less digits than its factorization.

42285418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51261.

The product of its digits is 20480, while the sum is 34.

The square root of 42285418 is about 6502.7238908015. The cubic root of 42285418 is about 348.3882848424.

The spelling of 42285418 in words is "forty-two million, two hundred eighty-five thousand, four hundred eighteen".