42944548 has 24 divisors (see below), whose sum is σ = 79478784. Its totient is φ = 20270400.

The previous prime is 42944543. The next prime is 42944569. The reversal of 42944548 is 84544924.

It is a self number, because there is not a number n which added to its sum of digits gives 42944548.

It is not an unprimeable number, because it can be changed into a prime (42944543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (3311616).

Almost surely, 2^42944548 is an apocalyptic number.

It is an amenable number.

42944548 is a deficient number, since it is larger than the sum of its proper divisors (36534236).

42944548 is a wasteful number, since it uses less digits than its factorization.

42944548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523 (or 8521 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 42944548 is about 6553.2089849172. The cubic root of 42944548 is about 350.1891440245.

The spelling of 42944548 in words is "forty-two million, nine hundred forty-four thousand, five hundred forty-eight".