42169944 has 32 divisors (see below), whose sum is σ = 109062000. Its totient is φ = 13571712.

The previous prime is 42169943. The next prime is 42169997. The reversal of 42169944 is 44996124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169943) 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, 29599 + ... + 30990.

Almost surely, 2^42169944 is an apocalyptic number.

It is an amenable number.

42169944 is an abundant number, since it is smaller than the sum of its proper divisors (66892056).

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

42169944 is a wasteful number, since it uses less digits than its factorization.

42169944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60627 (or 60623 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 42169944 is about 6493.8389262439. The cubic root of 42169944 is about 348.0708667937.

The spelling of 42169944 in words is "forty-two million, one hundred sixty-nine thousand, nine hundred forty-four".