40111804309329 has 20 divisors (see below), whose sum is σ = 59928028539940. Its totient is φ = 26737665736320.

The previous prime is 40111804309271. The next prime is 40111804309337. The reversal of 40111804309329 is 92390340811104.

40111804309329 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 18 + 0 + 4 + 309 + 329 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9095815669329 + 31015988640000 = 3015927^2 + 5569200^2 .

It is not a de Polignac number, because 40111804309329 - 2¹⁹ = 40111803785041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40111804309429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32135044 + ... + 33359925.

It is an arithmetic number, because the mean of its divisors is an integer number (2996401426997).

Almost surely, 2^{40111804309329} is an apocalyptic number.

It is an amenable number.

40111804309329 is a deficient number, since it is larger than the sum of its proper divisors (19816224230611).

40111804309329 is an equidigital number, since it uses as much as digits as its factorization.

40111804309329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502542 (or 65502533 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 40111804309329 in words is "forty trillion, one hundred eleven billion, eight hundred four million, three hundred nine thousand, three hundred twenty-nine".