40786169991 has 8 divisors (see below), whose sum is σ = 62150354304. Its totient is φ = 23306382840.

The previous prime is 40786169989. The next prime is 40786170011. The reversal of 40786169991 is 19996168704.

It is a happy number.

40786169991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40786169991 - 2¹ = 40786169989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40786169911) 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, 971099265 + ... + 971099306.

It is an arithmetic number, because the mean of its divisors is an integer number (7768794288).

Almost surely, 2^40786169991 is an apocalyptic number.

40786169991 is a deficient number, since it is larger than the sum of its proper divisors (21364184313).

40786169991 is a wasteful number, since it uses less digits than its factorization.

40786169991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942198581.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 40786169991 in words is "forty billion, seven hundred eighty-six million, one hundred sixty-nine thousand, nine hundred ninety-one".