42085995 has 32 divisors (see below), whose sum is σ = 77288448. Its totient is φ = 19156608.

The previous prime is 42085991. The next prime is 42086017. The reversal of 42085995 is 59958024.

It is not a de Polignac number, because 42085995 - 2² = 42085991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42085991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28362 + ... + 29808.

It is an arithmetic number, because the mean of its divisors is an integer number (2415264).

Almost surely, 2^42085995 is an apocalyptic number.

42085995 is a deficient number, since it is larger than the sum of its proper divisors (35202453).

42085995 is a wasteful number, since it uses less digits than its factorization.

42085995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 42085995 is about 6487.3719640545. The cubic root of 42085995 is about 347.8397415756.

The spelling of 42085995 in words is "forty-two million, eighty-five thousand, nine hundred ninety-five".