40031545443312 has 80 divisors (see below), whose sum is σ = 104233293920000. Its totient is φ = 13238376970752.

The previous prime is 40031545443251. The next prime is 40031545443317. The reversal of 40031545443312 is 21334454513004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031545443317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189764 + ... + 11478492.

It is an arithmetic number, because the mean of its divisors is an integer number (1302916174000).

Almost surely, 2^{40031545443312} is an apocalyptic number.

It is an amenable number.

40031545443312 is an abundant number, since it is smaller than the sum of its proper divisors (64201748476688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40031545443312 is a wasteful number, since it uses less digits than its factorization.

40031545443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290278 (or 4290272 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 40031545443312 its reverse (21334454513004), we get a palindrome (61365999956316).

The spelling of 40031545443312 in words is "forty trillion, thirty-one billion, five hundred forty-five million, four hundred forty-three thousand, three hundred twelve".