40384037044 has 12 divisors (see below), whose sum is σ = 76108377604. Its totient is φ = 18638786304.

The previous prime is 40384037021. The next prime is 40384037107. The reversal of 40384037044 is 44073048304.

It can be written as a sum of positive squares in 2 ways, for example, as 22162276900 + 18221760144 = 148870^2 + 134988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40384036994 and 40384037012.

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, 388307997 + ... + 388308100.

Almost surely, 2^40384037044 is an apocalyptic number.

It is an amenable number.

40384037044 is a deficient number, since it is larger than the sum of its proper divisors (35724340560).

40384037044 is a wasteful number, since it uses less digits than its factorization.

40384037044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776616114 (or 776616112 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 40384037044 in words is "forty billion, three hundred eighty-four million, thirty-seven thousand, forty-four".