1440226745782 has 16 divisors (see below), whose sum is σ = 2362332634704. Its totient is φ = 653093532000.

The previous prime is 1440226745747. The next prime is 1440226745801. The reversal of 1440226745782 is 2875476220441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77739969 + ... + 77758492.

It is an arithmetic number, because the mean of its divisors is an integer number (147645789669).

Almost surely, 2^{1440226745782} is an apocalyptic number.

1440226745782 is a deficient number, since it is larger than the sum of its proper divisors (922105888922).

1440226745782 is a wasteful number, since it uses less digits than its factorization.

1440226745782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155498895.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 1440226745782 in words is "one trillion, four hundred forty billion, two hundred twenty-six million, seven hundred forty-five thousand, seven hundred eighty-two".