40344832 has 36 divisors (see below), whose sum is σ = 87859296. Its totient is φ = 18337280.

The previous prime is 40344823. The next prime is 40344833. The reversal of 40344832 is 23844304.

It is a self number, because there is not a number n which added to its sum of digits gives 40344832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348 + ... + 9979.

It is an arithmetic number, because the mean of its divisors is an integer number (2440536).

Almost surely, 2^40344832 is an apocalyptic number.

It is an amenable number.

40344832 is an abundant number, since it is smaller than the sum of its proper divisors (47514464).

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

40344832 is a wasteful number, since it uses less digits than its factorization.

40344832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14354 (or 14340 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 40344832 is about 6351.7581817950. The cubic root of 40344832 is about 342.9751361079.

The spelling of 40344832 in words is "forty million, three hundred forty-four thousand, eight hundred thirty-two".