40404344033013 has 32 divisors (see below), whose sum is σ = 59554142355456. Its totient is φ = 24236192226048.

The previous prime is 40404344032999. The next prime is 40404344033063. The reversal of 40404344033013 is 31033044340404.

It is a de Polignac number, because none of the positive numbers 2^k-40404344033013 is a prime.

It is a super-2 number, since 2×40404344033013² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404344033063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7309045 + ... + 11585802.

It is an arithmetic number, because the mean of its divisors is an integer number (1861066948608).

Almost surely, 2^{40404344033013} is an apocalyptic number.

It is an amenable number.

40404344033013 is a deficient number, since it is larger than the sum of its proper divisors (19149798322443).

40404344033013 is a wasteful number, since it uses less digits than its factorization.

40404344033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18896713.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 40404344033013 its reverse (31033044340404), we get a palindrome (71437388373417).

The spelling of 40404344033013 in words is "forty trillion, four hundred four billion, three hundred forty-four million, thirty-three thousand, thirteen".