40032244 has 24 divisors (see below), whose sum is σ = 80232768. Its totient is φ = 17120640.

The previous prime is 40032227. The next prime is 40032247. The reversal of 40032244 is 44223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15399 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (3343032).

Almost surely, 2^40032244 is an apocalyptic number.

It is an amenable number.

40032244 is an abundant number, since it is smaller than the sum of its proper divisors (40200524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40032244 is a wasteful number, since it uses less digits than its factorization.

40032244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40032244 is about 6327.1039188558. The cubic root of 40032244 is about 342.0870587618.

Adding to 40032244 its reverse (44223004), we get a palindrome (84255248).

The spelling of 40032244 in words is "forty million, thirty-two thousand, two hundred forty-four".