1440422113 has 8 divisors (see below), whose sum is σ = 1584229248. Its totient is φ = 1301330064.

The previous prime is 1440422063. The next prime is 1440422131. The reversal of 1440422113 is 3112240441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440422113 - 2⁹ = 1440421601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440422153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178131 + ... + 1179352.

It is an arithmetic number, because the mean of its divisors is an integer number (198028656).

Almost surely, 2^1440422113 is an apocalyptic number.

1440422113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1440422113 is a deficient number, since it is larger than the sum of its proper divisors (143807135).

1440422113 is a wasteful number, since it uses less digits than its factorization.

1440422113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357543.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1440422113 is about 37952.8933416149. The cubic root of 1440422113 is about 1129.3535637501.

Adding to 1440422113 its reverse (3112240441), we get a palindrome (4552662554).

The spelling of 1440422113 in words is "one billion, four hundred forty million, four hundred twenty-two thousand, one hundred thirteen".