40117723243685 has 16 divisors (see below), whose sum is σ = 49999084515840. Its totient is φ = 30868337200320.

The previous prime is 40117723243651. The next prime is 40117723243693. The reversal of 40117723243685 is 58634232771104.

It is not a de Polignac number, because 40117723243685 - 2¹⁴ = 40117723227301 is a prime.

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, 793913450 + ... + 793963979.

It is an arithmetic number, because the mean of its divisors is an integer number (3124942782240).

Almost surely, 2^{40117723243685} is an apocalyptic number.

It is an amenable number.

40117723243685 is a deficient number, since it is larger than the sum of its proper divisors (9881361272155).

40117723243685 is a wasteful number, since it uses less digits than its factorization.

40117723243685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587877628.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 40117723243685 in words is "forty trillion, one hundred seventeen billion, seven hundred twenty-three million, two hundred forty-three thousand, six hundred eighty-five".