42618195 has 24 divisors (see below), whose sum is σ = 77085216. Its totient is φ = 21740928.

The previous prime is 42618187. The next prime is 42618223. The reversal of 42618195 is 59181624.

It is not a de Polignac number, because 42618195 - 2³ = 42618187 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19554 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (3211884).

Almost surely, 2^42618195 is an apocalyptic number.

42618195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42618195 is a deficient number, since it is larger than the sum of its proper divisors (34467021).

42618195 is a wasteful number, since it uses less digits than its factorization.

42618195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41211 (or 41208 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42618195 is about 6528.2612539634. The cubic root of 42618195 is about 349.2998110626.

The spelling of 42618195 in words is "forty-two million, six hundred eighteen thousand, one hundred ninety-five".