42118008 has 32 divisors (see below), whose sum is σ = 105494400. Its totient is φ = 14012768.

The previous prime is 42117997. The next prime is 42118019. The reversal of 42118008 is 80081124.

It is an interprime number because it is at equal distance from previous prime (42117997) and next prime (42118019).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 14485 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (3296700).

Almost surely, 2^42118008 is an apocalyptic number.

It is an amenable number.

42118008 is an abundant number, since it is smaller than the sum of its proper divisors (63376392).

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

42118008 is a wasteful number, since it uses less digits than its factorization.

42118008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3327 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 42118008 is about 6489.8388269664. The cubic root of 42118008 is about 347.9279147825.

The spelling of 42118008 in words is "forty-two million, one hundred eighteen thousand, eight".