40804408444 has 12 divisors (see below), whose sum is σ = 72114722568. Its totient is φ = 20200202000.

The previous prime is 40804408429. The next prime is 40804408451. The reversal of 40804408444 is 44480440804.

It is a super-2 number, since 2×40804408444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40804408397 and 40804408406.

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, 50500102 + ... + 50500909.

It is an arithmetic number, because the mean of its divisors is an integer number (6009560214).

Almost surely, 2^40804408444 is an apocalyptic number.

It is an amenable number.

40804408444 is a deficient number, since it is larger than the sum of its proper divisors (31310314124).

40804408444 is a wasteful number, since it uses less digits than its factorization.

40804408444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001116 (or 101001114 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 40804408444 in words is "forty billion, eight hundred four million, four hundred eight thousand, four hundred forty-four".