40042204 has 12 divisors (see below), whose sum is σ = 72334528. Its totient is φ = 19375200.

The previous prime is 40042187. The next prime is 40042213. The reversal of 40042204 is 40224004.

It is a congruent number.

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, 161337 + ... + 161584.

Almost surely, 2^40042204 is an apocalyptic number.

It is an amenable number.

40042204 is a deficient number, since it is larger than the sum of its proper divisors (32292324).

40042204 is a wasteful number, since it uses less digits than its factorization.

40042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322956 (or 322954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40042204 is about 6327.8909598696. The cubic root of 40042204 is about 342.1154267658.

Adding to 40042204 its reverse (40224004), we get a palindrome (80266208).

The spelling of 40042204 in words is "forty million, forty-two thousand, two hundred four".