40131170351145 has 40 divisors (see below), whose sum is σ = 74259446426880. Its totient is φ = 20712862110240.

The previous prime is 40131170351141. The next prime is 40131170351179. The reversal of 40131170351145 is 54115307113104.

40131170351145 is a `hidden beast` number, since 4 + 0 + 1 + 31 + 1 + 70 + 3 + 511 + 45 = 666.

It is not a de Polignac number, because 40131170351145 - 2² = 40131170351141 is a prime.

It is a super-2 number, since 2×40131170351145² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131170351141) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1598202115 + ... + 1598227224.

It is an arithmetic number, because the mean of its divisors is an integer number (1856486160672).

Almost surely, 2^{40131170351145} is an apocalyptic number.

40131170351145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40131170351145 is a deficient number, since it is larger than the sum of its proper divisors (34128276075735).

40131170351145 is a wasteful number, since it uses less digits than its factorization.

40131170351145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196429387 (or 3196429378 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Adding to 40131170351145 its reverse (54115307113104), we get a palindrome (94246477464249).

The spelling of 40131170351145 in words is "forty trillion, one hundred thirty-one billion, one hundred seventy million, three hundred fifty-one thousand, one hundred forty-five".