40323004444 has 12 divisors (see below), whose sum is σ = 71120890624. Its totient is φ = 20002749984.

The previous prime is 40323004439. The next prime is 40323004457. The reversal of 40323004444 is 44440032304.

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, 39687489 + ... + 39688504.

Almost surely, 2^40323004444 is an apocalyptic number.

It is an amenable number.

40323004444 is a deficient number, since it is larger than the sum of its proper divisors (30797886180).

40323004444 is a wasteful number, since it uses less digits than its factorization.

40323004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79376124 (or 79376122 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40323004444 its reverse (44440032304), we get a palindrome (84763036748).

The spelling of 40323004444 in words is "forty billion, three hundred twenty-three million, four thousand, four hundred forty-four".