42455694 has 8 divisors (see below), whose sum is σ = 84911400. Its totient is φ = 14151896.

The previous prime is 42455683. The next prime is 42455701. The reversal of 42455694 is 49655424.

It is a happy number.

42455694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42455694 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537969 + ... + 3537980.

It is an arithmetic number, because the mean of its divisors is an integer number (10613925).

Almost surely, 2^42455694 is an apocalyptic number.

42455694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42455694 is a wasteful number, since it uses less digits than its factorization.

42455694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075954.

The product of its digits is 172800, while the sum is 39.

The square root of 42455694 is about 6515.8034040324. The cubic root of 42455694 is about 348.8552914953.

The spelling of 42455694 in words is "forty-two million, four hundred fifty-five thousand, six hundred ninety-four".