40031044 has 24 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 19299840.

The previous prime is 40031029. The next prime is 40031051. The reversal of 40031044 is 44013004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55317 + ... + 56035.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^40031044 is an apocalyptic number.

It is an amenable number.

40031044 is a deficient number, since it is larger than the sum of its proper divisors (32544956).

40031044 is a wasteful number, since it uses less digits than its factorization.

40031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40031044 is about 6327.0090880289. The cubic root of 40031044 is about 342.0836406124.

Adding to 40031044 its reverse (44013004), we get a palindrome (84044048).

The spelling of 40031044 in words is "forty million, thirty-one thousand, forty-four".