42533944 has 16 divisors (see below), whose sum is σ = 79858800. Its totient is φ = 21238272.

The previous prime is 42533941. The next prime is 42533963. The reversal of 42533944 is 44933524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533941) 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, 3544 + ... + 9880.

It is an arithmetic number, because the mean of its divisors is an integer number (4991175).

Almost surely, 2^42533944 is an apocalyptic number.

It is an amenable number.

42533944 is a deficient number, since it is larger than the sum of its proper divisors (37324856).

42533944 is a wasteful number, since it uses less digits than its factorization.

42533944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7178 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 42533944 is about 6521.8052715487. The cubic root of 42533944 is about 349.0694847733.

The spelling of 42533944 in words is "forty-two million, five hundred thirty-three thousand, nine hundred forty-four".