40344934328 has 64 divisors (see below), whose sum is σ = 80243460000. Its totient is φ = 18986752512.

The previous prime is 40344934313. The next prime is 40344934339. The reversal of 40344934328 is 82343944304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920023 + ... + 1940921.

Almost surely, 2^40344934328 is an apocalyptic number.

It is an amenable number.

40344934328 is a deficient number, since it is larger than the sum of its proper divisors (39898525672).

40344934328 is a wasteful number, since it uses less digits than its factorization.

40344934328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21144 (or 21140 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 40344934328 in words is "forty billion, three hundred forty-four million, nine hundred thirty-four thousand, three hundred twenty-eight".