40323144331201 has 6 divisors (see below), whose sum is σ = 40718432023170. Its totient is φ = 39931657482528.

The previous prime is 40323144331123. The next prime is 40323144331297. The reversal of 40323144331201 is 10213344132304.

It can be written as a sum of positive squares in only one way, i.e., 26065119370801 + 14258024960400 = 5105401^2 + 3775980^2 .

It is not a de Polignac number, because 40323144331201 - 2³³ = 40314554396609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323144301201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1900410936 + ... + 1900432153.

It is an arithmetic number, because the mean of its divisors is an integer number (6786405337195).

Almost surely, 2^{40323144331201} is an apocalyptic number.

It is an amenable number.

40323144331201 is a deficient number, since it is larger than the sum of its proper divisors (395287691969).

40323144331201 is an equidigital number, since it uses as much as digits as its factorization.

40323144331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800843295 (or 3800843192 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 40323144331201 its reverse (10213344132304), we get a palindrome (50536488463505).

The spelling of 40323144331201 in words is "forty trillion, three hundred twenty-three billion, one hundred forty-four million, three hundred thirty-one thousand, two hundred one".