40198132317 has 16 divisors (see below), whose sum is σ = 62557581312. Its totient is φ = 22481629680.

The previous prime is 40198132307. The next prime is 40198132339. The reversal of 40198132317 is 71323189104.

It is not a de Polignac number, because 40198132317 - 2¹⁸ = 40197870173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40198132307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20362809 + ... + 20364782.

It is an arithmetic number, because the mean of its divisors is an integer number (3909848832).

Almost surely, 2^40198132317 is an apocalyptic number.

40198132317 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40198132317 is a deficient number, since it is larger than the sum of its proper divisors (22359448995).

40198132317 is a wasteful number, since it uses less digits than its factorization.

40198132317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40727648.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 40198132317 in words is "forty billion, one hundred ninety-eight million, one hundred thirty-two thousand, three hundred seventeen".