42955994 has 8 divisors (see below), whose sum is σ = 65341728. Its totient is φ = 21175420.

The previous prime is 42955981. The next prime is 42956003. The reversal of 42955994 is 49955924.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151112 + ... + 151395.

It is an arithmetic number, because the mean of its divisors is an integer number (8167716).

Almost surely, 2^42955994 is an apocalyptic number.

42955994 is a deficient number, since it is larger than the sum of its proper divisors (22385734).

42955994 is a wasteful number, since it uses less digits than its factorization.

42955994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302580.

The product of its digits is 583200, while the sum is 47.

The square root of 42955994 is about 6554.0822393376. The cubic root of 42955994 is about 350.2202532035.

The spelling of 42955994 in words is "forty-two million, nine hundred fifty-five thousand, nine hundred ninety-four".