42038824 has 16 divisors (see below), whose sum is σ = 83459700. Its totient is φ = 19782912.

The previous prime is 42038813. The next prime is 42038837. The reversal of 42038824 is 42883024.

It can be written as a sum of positive squares in 2 ways, for example, as 42016324 + 22500 = 6482^2 + 150^2 .

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, 154419 + ... + 154690.

Almost surely, 2^42038824 is an apocalyptic number.

It is an amenable number.

42038824 is a deficient number, since it is larger than the sum of its proper divisors (41420876).

42038824 is a wasteful number, since it uses less digits than its factorization.

42038824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309132 (or 309128 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 42038824 is about 6483.7353431490. The cubic root of 42038824 is about 347.7097372641.

The spelling of 42038824 in words is "forty-two million, thirty-eight thousand, eight hundred twenty-four".