40131087171 has 48 divisors (see below), whose sum is σ = 66461117184. Its totient is φ = 21424810176.

The previous prime is 40131087151. The next prime is 40131087211. The reversal of 40131087171 is 17178013104.

It is not a de Polignac number, because 40131087171 - 2¹³ = 40131078979 is a prime.

It is a super-2 number, since 2×40131087171² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131087121) 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 47 ways as a sum of consecutive naturals, for example, 7365 + ... + 283401.

It is an arithmetic number, because the mean of its divisors is an integer number (1384606608).

Almost surely, 2^40131087171 is an apocalyptic number.

40131087171 is a deficient number, since it is larger than the sum of its proper divisors (26330030013).

40131087171 is a wasteful number, since it uses less digits than its factorization.

40131087171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276120 (or 276113 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

The spelling of 40131087171 in words is "forty billion, one hundred thirty-one million, eighty-seven thousand, one hundred seventy-one".