1440360163 has 6 divisors (see below), whose sum is σ = 1583205932. Its totient is φ = 1309418220.

The previous prime is 1440360109. The next prime is 1440360169. The reversal of 1440360163 is 3610630441.

It is not a de Polignac number, because 1440360163 - 2⁹ = 1440359651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440360169) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5951781 + ... + 5952022.

Almost surely, 2^1440360163 is an apocalyptic number.

1440360163 is a deficient number, since it is larger than the sum of its proper divisors (142845769).

1440360163 is a wasteful number, since it uses less digits than its factorization.

1440360163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903825 (or 11903814 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1440360163 is about 37952.0771895294. The cubic root of 1440360163 is about 1129.3373730202.

The spelling of 1440360163 in words is "one billion, four hundred forty million, three hundred sixty thousand, one hundred sixty-three".