40697997183 has 16 divisors (see below), whose sum is σ = 60298731360. Its totient is φ = 27129567168.

The previous prime is 40697997181. The next prime is 40697997187. The reversal of 40697997183 is 38179979604.

It is not a de Polignac number, because 40697997183 - 2¹ = 40697997181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40697997183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40697997181) 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, 270091 + ... + 392867.

It is an arithmetic number, because the mean of its divisors is an integer number (3768670710).

Almost surely, 2^40697997183 is an apocalyptic number.

40697997183 is a deficient number, since it is larger than the sum of its proper divisors (19600734177).

40697997183 is a wasteful number, since it uses less digits than its factorization.

40697997183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135063 (or 135057 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 40697997183 in words is "forty billion, six hundred ninety-seven million, nine hundred ninety-seven thousand, one hundred eighty-three".