40659486499 has 16 divisors (see below), whose sum is σ = 41688760320. Its totient is φ = 39642492960.

The previous prime is 40659486419. The next prime is 40659486521. The reversal of 40659486499 is 99468495604.

It is a cyclic number.

It is not a de Polignac number, because 40659486499 - 2¹¹ = 40659484451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40659486499.

It is not an unprimeable number, because it can be changed into a prime (40659486419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14121342 + ... + 14124220.

It is an arithmetic number, because the mean of its divisors is an integer number (2605547520).

Almost surely, 2^40659486499 is an apocalyptic number.

40659486499 is a deficient number, since it is larger than the sum of its proper divisors (1029273821).

40659486499 is a wasteful number, since it uses less digits than its factorization.

40659486499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 40659486499 in words is "forty billion, six hundred fifty-nine million, four hundred eighty-six thousand, four hundred ninety-nine".