42804956 has 12 divisors (see below), whose sum is σ = 75166392. Its totient is φ = 21328848.

The previous prime is 42804953. The next prime is 42804959. The reversal of 42804956 is 65940824.

42804956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42804953) and next prime (42804959).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42804953) by changing a digit.

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, 17090 + ... + 19433.

It is an arithmetic number, because the mean of its divisors is an integer number (6263866).

Almost surely, 2^42804956 is an apocalyptic number.

It is an amenable number.

42804956 is a deficient number, since it is larger than the sum of its proper divisors (32361436).

42804956 is a wasteful number, since it uses less digits than its factorization.

42804956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36820 (or 36818 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 42804956 is about 6542.5496559063. The cubic root of 42804956 is about 349.8093001965.

The spelling of 42804956 in words is "forty-two million, eight hundred four thousand, nine hundred fifty-six".