40111881905312 has 48 divisors (see below), whose sum is σ = 90755934010560. Its totient is φ = 17094768488448.

The previous prime is 40111881905311. The next prime is 40111881905339. The reversal of 40111881905312 is 21350918811104.

It is not an unprimeable number, because it can be changed into a prime (40111881905311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500157953 + ... + 500238144.

It is an arithmetic number, because the mean of its divisors is an integer number (1890748625220).

Almost surely, 2^{40111881905312} is an apocalyptic number.

It is an amenable number.

40111881905312 is an abundant number, since it is smaller than the sum of its proper divisors (50644052105248).

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

40111881905312 is a wasteful number, since it uses less digits than its factorization.

40111881905312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000396293 (or 1000396285 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 44.

The spelling of 40111881905312 in words is "forty trillion, one hundred eleven billion, eight hundred eighty-one million, nine hundred five thousand, three hundred twelve".