42008658 has 32 divisors (see below), whose sum is σ = 91299840. Its totient is φ = 12836880.

The previous prime is 42008621. The next prime is 42008671. The reversal of 42008658 is 85680024.

42008658 is a modest number, since divided by 8658 gives 42 as remainder.

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, 2410 + ... + 9477.

It is an arithmetic number, because the mean of its divisors is an integer number (2853120).

Almost surely, 2^42008658 is an apocalyptic number.

42008658 is an abundant number, since it is smaller than the sum of its proper divisors (49291182).

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

42008658 is a wasteful number, since it uses less digits than its factorization.

42008658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 42008658 is about 6481.4086431886. The cubic root of 42008658 is about 347.6265481164.

The spelling of 42008658 in words is "forty-two million, eight thousand, six hundred fifty-eight".