42544892 has 12 divisors (see below), whose sum is σ = 80180856. Its totient is φ = 19636080.

The previous prime is 42544891. The next prime is 42544903. The reversal of 42544892 is 29844524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409034 + ... + 409137.

It is an arithmetic number, because the mean of its divisors is an integer number (6681738).

Almost surely, 2^42544892 is an apocalyptic number.

It is an amenable number.

42544892 is a deficient number, since it is larger than the sum of its proper divisors (37635964).

42544892 is a wasteful number, since it uses less digits than its factorization.

42544892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818188 (or 818186 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 42544892 is about 6522.6445556998. The cubic root of 42544892 is about 349.0994317170.

The spelling of 42544892 in words is "forty-two million, five hundred forty-four thousand, eight hundred ninety-two".