1440113785 has 16 divisors (see below), whose sum is σ = 1899640512. Its totient is φ = 1039355200.

The previous prime is 1440113747. The next prime is 1440113867. The reversal of 1440113785 is 5873110441.

It is not a de Polignac number, because 1440113785 - 2⁷ = 1440113657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440113785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92734 + ... + 107143.

It is an arithmetic number, because the mean of its divisors is an integer number (118727532).

Almost surely, 2^1440113785 is an apocalyptic number.

It is an amenable number.

1440113785 is a deficient number, since it is larger than the sum of its proper divisors (459526727).

1440113785 is a wasteful number, since it uses less digits than its factorization.

1440113785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200024.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1440113785 is about 37948.8311414199. The cubic root of 1440113785 is about 1129.2729771473.

The spelling of 1440113785 in words is "one billion, four hundred forty million, one hundred thirteen thousand, seven hundred eighty-five".