40664727692 has 12 divisors (see below), whose sum is σ = 71176472640. Its totient is φ = 20328592656.

The previous prime is 40664727683. The next prime is 40664727781. The reversal of 40664727692 is 29672746604.

It is a hoax number, since the sum of its digits (53) 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918467 + ... + 961722.

It is an arithmetic number, because the mean of its divisors is an integer number (5931372720).

Almost surely, 2^40664727692 is an apocalyptic number.

It is an amenable number.

40664727692 is a deficient number, since it is larger than the sum of its proper divisors (30511744948).

40664727692 is a wasteful number, since it uses less digits than its factorization.

40664727692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885600 (or 1885598 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 40664727692 in words is "forty billion, six hundred sixty-four million, seven hundred twenty-seven thousand, six hundred ninety-two".