42524044 has 12 divisors (see below), whose sum is σ = 74498704. Its totient is φ = 21238704.

The previous prime is 42524039. The next prime is 42524051. The reversal of 42524044 is 44042524.

It is a happy number.

It is a super-2 number, since 2×42524044² = 3616588636227872, which contains 22 as substring.

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, 1344 + ... + 9319.

Almost surely, 2^42524044 is an apocalyptic number.

It is an amenable number.

42524044 is a deficient number, since it is larger than the sum of its proper divisors (31974660).

42524044 is a wasteful number, since it uses less digits than its factorization.

42524044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664 (or 11662 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 42524044 is about 6521.0462350761. The cubic root of 42524044 is about 349.0424000834.

Adding to 42524044 its reverse (44042524), we get a palindrome (86566568).

The spelling of 42524044 in words is "forty-two million, five hundred twenty-four thousand, forty-four".