40404402033121 has 6 divisors (see below), whose sum is σ = 47001039099810. Its totient is φ = 34632344599776.

The previous prime is 40404402033097. The next prime is 40404402033133. The reversal of 40404402033121 is 12133020440404.

40404402033121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29652816793600 + 10751585239521 = 5445440^2 + 3278961^2 .

It is not a de Polignac number, because 40404402033121 - 2⁹ = 40404402032609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40404402033121.

It is not an unprimeable number, because it can be changed into a prime (40404402033421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412289816616 + ... + 412289816713.

It is an arithmetic number, because the mean of its divisors is an integer number (7833506516635).

Almost surely, 2^{40404402033121} is an apocalyptic number.

It is an amenable number.

40404402033121 is a deficient number, since it is larger than the sum of its proper divisors (6596637066689).

40404402033121 is an equidigital number, since it uses as much as digits as its factorization.

40404402033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824579633343 (or 824579633336 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40404402033121 its reverse (12133020440404), we get a palindrome (52537422473525).

The spelling of 40404402033121 in words is "forty trillion, four hundred four billion, four hundred two million, thirty-three thousand, one hundred twenty-one".