440121002165279 has 2 divisors, whose sum is σ = 440121002165280. Its totient is φ = 440121002165278.

The previous prime is 440121002165263. The next prime is 440121002165363. The reversal of 440121002165279 is 972561200121044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440121002165279 - 2⁴ = 440121002165263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440121002165239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220060501082639 + 220060501082640.

It is an arithmetic number, because the mean of its divisors is an integer number (220060501082640).

Almost surely, 2^{440121002165279} is an apocalyptic number.

440121002165279 is a deficient number, since it is larger than the sum of its proper divisors (1).

440121002165279 is an equidigital number, since it uses as much as digits as its factorization.

440121002165279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 440121002165279 in words is "four hundred forty trillion, one hundred twenty-one billion, two million, one hundred sixty-five thousand, two hundred seventy-nine".