1440479227 has 12 divisors (see below), whose sum is σ = 1626134608. Its totient is φ = 1274130000.

The previous prime is 1440479219. The next prime is 1440479237. The reversal of 1440479227 is 7229740441.

It is a happy number.

It is not a de Polignac number, because 1440479227 - 2³ = 1440479219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440479227.

It is not an unprimeable number, because it can be changed into a prime (1440479237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156399 + ... + 165352.

Almost surely, 2^1440479227 is an apocalyptic number.

1440479227 is a deficient number, since it is larger than the sum of its proper divisors (185655381).

1440479227 is a wasteful number, since it uses less digits than its factorization.

1440479227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321810 (or 321799 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1440479227 is about 37953.6457669089. The cubic root of 1440479227 is about 1129.3684901726.

The spelling of 1440479227 in words is "one billion, four hundred forty million, four hundred seventy-nine thousand, two hundred twenty-seven".