40199743187728 has 40 divisors (see below), whose sum is σ = 78094282896000. Its totient is φ = 20046433565184.

The previous prime is 40199743187647. The next prime is 40199743187743. The reversal of 40199743187728 is 82778134799104.

40199743187728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10306173 + ... + 13660771.

It is an arithmetic number, because the mean of its divisors is an integer number (1952357072400).

Almost surely, 2^{40199743187728} is an apocalyptic number.

It is an amenable number.

40199743187728 is a deficient number, since it is larger than the sum of its proper divisors (37894539708272).

40199743187728 is a wasteful number, since it uses less digits than its factorization.

40199743187728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356599 (or 3356593 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 70.

The spelling of 40199743187728 in words is "forty trillion, one hundred ninety-nine billion, seven hundred forty-three million, one hundred eighty-seven thousand, seven hundred twenty-eight".