40659822719 has 4 divisors (see below), whose sum is σ = 40837376760. Its totient is φ = 40482268680.

The previous prime is 40659822703. The next prime is 40659822727. The reversal of 40659822719 is 91722895604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40659822719 - 2⁴ = 40659822703 is a prime.

It is a super-2 number, since 2×40659822719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40659822319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88776677 + ... + 88777134.

It is an arithmetic number, because the mean of its divisors is an integer number (10209344190).

Almost surely, 2^40659822719 is an apocalyptic number.

40659822719 is a deficient number, since it is larger than the sum of its proper divisors (177554041).

40659822719 is a wasteful number, since it uses less digits than its factorization.

40659822719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177554040.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 40659822719 in words is "forty billion, six hundred fifty-nine million, eight hundred twenty-two thousand, seven hundred nineteen".