1440232063 has 4 divisors (see below), whose sum is σ = 1449898200. Its totient is φ = 1430565928.

The previous prime is 1440232049. The next prime is 1440232097. The reversal of 1440232063 is 3602320441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440232063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440232033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832845 + ... + 4833142.

It is an arithmetic number, because the mean of its divisors is an integer number (362474550).

Almost surely, 2^1440232063 is an apocalyptic number.

1440232063 is a deficient number, since it is larger than the sum of its proper divisors (9666137).

1440232063 is an equidigital number, since it uses as much as digits as its factorization.

1440232063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666136.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1440232063 is about 37950.3894973424. The cubic root of 1440232063 is about 1129.3038924111.

The spelling of 1440232063 in words is "one billion, four hundred forty million, two hundred thirty-two thousand, sixty-three".