40344016 has 10 divisors (see below), whose sum is σ = 78166562. Its totient is φ = 20172000.

The previous prime is 40343999. The next prime is 40344037. The reversal of 40344016 is 61044304.

It is a happy number.

40344016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 4822416 = 5960^2 + 2196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260735 + ... + 1260766.

Almost surely, 2^40344016 is an apocalyptic number.

It is an amenable number.

40344016 is a deficient number, since it is larger than the sum of its proper divisors (37822546).

40344016 is a wasteful number, since it uses less digits than its factorization.

40344016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521509 (or 2521503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40344016 is about 6351.6939472868. The cubic root of 40344016 is about 342.9728237952.

The spelling of 40344016 in words is "forty million, three hundred forty-four thousand, sixteen".