40544038694 has 8 divisors (see below), whose sum is σ = 60840657480. Its totient is φ = 20263819536.

The previous prime is 40544038679. The next prime is 40544038771. The reversal of 40544038694 is 49683044504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093724 + ... + 4103615.

It is an arithmetic number, because the mean of its divisors is an integer number (7605082185).

Almost surely, 2^40544038694 is an apocalyptic number.

40544038694 is a deficient number, since it is larger than the sum of its proper divisors (20296618786).

40544038694 is a wasteful number, since it uses less digits than its factorization.

40544038694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199814.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 40544038694 in words is "forty billion, five hundred forty-four million, thirty-eight thousand, six hundred ninety-four".