42957444 has 48 divisors (see below), whose sum is σ = 106297856. Its totient is φ = 13478400.

The previous prime is 42957443. The next prime is 42957449. The reversal of 42957444 is 44475924.

42957444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42957443) 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 15 ways as a sum of consecutive naturals, for example, 12204 + ... + 15324.

Almost surely, 2^42957444 is an apocalyptic number.

It is an amenable number.

42957444 is an abundant number, since it is smaller than the sum of its proper divisors (63340412).

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

42957444 is a wasteful number, since it uses less digits than its factorization.

42957444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3194 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 42957444 is about 6554.1928564851. The cubic root of 42957444 is about 350.2241937762.

The spelling of 42957444 in words is "forty-two million, nine hundred fifty-seven thousand, four hundred forty-four".