42442744 has 32 divisors (see below), whose sum is σ = 84564000. Its totient is φ = 19901440.

The previous prime is 42442733. The next prime is 42442769. The reversal of 42442744 is 44724424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70557 + ... + 71155.

It is an arithmetic number, because the mean of its divisors is an integer number (2642625).

Almost surely, 2^42442744 is an apocalyptic number.

It is an amenable number.

42442744 is a deficient number, since it is larger than the sum of its proper divisors (42121256).

42442744 is a wasteful number, since it uses less digits than its factorization.

42442744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its digits is 28672, while the sum is 31.

The square root of 42442744 is about 6514.8095904639. The cubic root of 42442744 is about 348.8198181582.

The spelling of 42442744 in words is "forty-two million, four hundred forty-two thousand, seven hundred forty-four".