1440226563279 has 16 divisors (see below), whose sum is σ = 2194665783552. Its totient is φ = 822973546368.

The previous prime is 1440226563277. The next prime is 1440226563323. The reversal of 1440226563279 is 9723656220441.

It is not a de Polignac number, because 1440226563279 - 2¹ = 1440226563277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440226563277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899572 + ... + 1920854.

It is an arithmetic number, because the mean of its divisors is an integer number (137166611472).

Almost surely, 2^{1440226563279} is an apocalyptic number.

1440226563279 is a deficient number, since it is larger than the sum of its proper divisors (754439220273).

1440226563279 is a wasteful number, since it uses less digits than its factorization.

1440226563279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088446.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 1440226563279 in words is "one trillion, four hundred forty billion, two hundred twenty-six million, five hundred sixty-three thousand, two hundred seventy-nine".