40244411221423 has 2 divisors, whose sum is σ = 40244411221424. Its totient is φ = 40244411221422.

The previous prime is 40244411221403. The next prime is 40244411221481. The reversal of 40244411221423 is 32412211444204.

40244411221423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40244411221423 is a prime.

It is a super-2 number, since 2×40244411221423² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40244411221403) 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 as a sum of consecutive naturals, namely, 20122205610711 + 20122205610712.

It is an arithmetic number, because the mean of its divisors is an integer number (20122205610712).

Almost surely, 2^{40244411221423} is an apocalyptic number.

40244411221423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244411221423 is an equidigital number, since it uses as much as digits as its factorization.

40244411221423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 40244411221423 its reverse (32412211444204), we get a palindrome (72656622665627).

The spelling of 40244411221423 in words is "forty trillion, two hundred forty-four billion, four hundred eleven million, two hundred twenty-one thousand, four hundred twenty-three".