42312944 has 20 divisors (see below), whose sum is σ = 82167360. Its totient is φ = 21108480.

The previous prime is 42312937. The next prime is 42312961. The reversal of 42312944 is 44921324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4904 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (4108368).

Almost surely, 2^42312944 is an apocalyptic number.

It is an amenable number.

42312944 is a deficient number, since it is larger than the sum of its proper divisors (39854416).

42312944 is a wasteful number, since it uses less digits than its factorization.

42312944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008 (or 6002 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 42312944 is about 6504.8400441517. The cubic root of 42312944 is about 348.4638637401.

The spelling of 42312944 in words is "forty-two million, three hundred twelve thousand, nine hundred forty-four".