40159132191 has 24 divisors (see below), whose sum is σ = 58616631216. Its totient is φ = 26492843520.

The previous prime is 40159132157. The next prime is 40159132213. The reversal of 40159132191 is 19123195104.

40159132191 is a `hidden beast` number, since 40 + 1 + 591 + 3 + 21 + 9 + 1 = 666.

It is not a de Polignac number, because 40159132191 - 2³⁴ = 22979263007 is a prime.

It is a super-2 number, since 2×40159132191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40159132991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367941 + ... + 464433.

It is an arithmetic number, because the mean of its divisors is an integer number (2442359634).

Almost surely, 2^40159132191 is an apocalyptic number.

40159132191 is a deficient number, since it is larger than the sum of its proper divisors (18457499025).

40159132191 is a wasteful number, since it uses less digits than its factorization.

40159132191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96983 (or 96980 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

It can be divided in two parts, 4015913 and 2191, that added together give a palindrome (4018104).

The spelling of 40159132191 in words is "forty billion, one hundred fifty-nine million, one hundred thirty-two thousand, one hundred ninety-one".