40698079689 has 16 divisors (see below), whose sum is σ = 54841026240. Its totient is φ = 26845116480.

The previous prime is 40698079657. The next prime is 40698079691. The reversal of 40698079689 is 98697089604.

It is not a de Polignac number, because 40698079689 - 2⁵ = 40698079657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40698079489) 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, 83259 + ... + 297200.

It is an arithmetic number, because the mean of its divisors is an integer number (3427564140).

Almost surely, 2^40698079689 is an apocalyptic number.

It is an amenable number.

40698079689 is a deficient number, since it is larger than the sum of its proper divisors (14142946551).

40698079689 is a wasteful number, since it uses less digits than its factorization.

40698079689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380840.

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 40698079689 in words is "forty billion, six hundred ninety-eight million, seventy-nine thousand, six hundred eighty-nine".