40131736318322 has 128 divisors (see below), whose sum is σ = 70395528314880. Its totient is φ = 16956777600000.

The previous prime is 40131736318321. The next prime is 40131736318361. The reversal of 40131736318322 is 22381363713104.

It is a super-2 number, since 2×40131736318322² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131736318321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34866842447 + ... + 34866843597.

It is an arithmetic number, because the mean of its divisors is an integer number (549965064960).

Almost surely, 2^{40131736318322} is an apocalyptic number.

40131736318322 is a deficient number, since it is larger than the sum of its proper divisors (30263791996558).

40131736318322 is a wasteful number, since it uses less digits than its factorization.

40131736318322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 40131736318322 in words is "forty trillion, one hundred thirty-one billion, seven hundred thirty-six million, three hundred eighteen thousand, three hundred twenty-two".