40499813718687 has 8 divisors (see below), whose sum is σ = 54000270059904. Its totient is φ = 26999616594968.

The previous prime is 40499813718649. The next prime is 40499813718709. The reversal of 40499813718687 is 78681731899404.

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

It is a cyclic number.

It is not a de Polignac number, because 40499813718687 - 2³⁴ = 40482633849503 is a prime.

It is a super-2 number, since 2×40499813718687² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40499813718487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64439523 + ... + 65064980.

It is an arithmetic number, because the mean of its divisors is an integer number (6750033757488).

Almost surely, 2^{40499813718687} is an apocalyptic number.

40499813718687 is a deficient number, since it is larger than the sum of its proper divisors (13500456341217).

40499813718687 is a wasteful number, since it uses less digits than its factorization.

40499813718687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129608749.

The product of its (nonzero) digits is 585252864, while the sum is 75.

The spelling of 40499813718687 in words is "forty trillion, four hundred ninety-nine billion, eight hundred thirteen million, seven hundred eighteen thousand, six hundred eighty-seven".