42918884 has 12 divisors (see below), whose sum is σ = 75154044. Its totient is φ = 21446304.

The previous prime is 42918857. The next prime is 42918893. The reversal of 42918884 is 48881924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35736484 + 7182400 = 5978^2 + 2680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10382 + ... + 13914.

It is an arithmetic number, because the mean of its divisors is an integer number (6262837).

Almost surely, 2^42918884 is an apocalyptic number.

It is an amenable number.

42918884 is a deficient number, since it is larger than the sum of its proper divisors (32235160).

42918884 is a wasteful number, since it uses less digits than its factorization.

42918884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574 (or 6572 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 42918884 is about 6551.2505676397. The cubic root of 42918884 is about 350.1193715272.

The spelling of 42918884 in words is "forty-two million, nine hundred eighteen thousand, eight hundred eighty-four".