1440223021130 has 8 divisors (see below), whose sum is σ = 2592401438052. Its totient is φ = 576089208448.

The previous prime is 1440223021117. The next prime is 1440223021147. The reversal of 1440223021130 is 311203220441.

It can be written as a sum of positive squares in 2 ways, for example, as 1394909809969 + 45313211161 = 1181063^2 + 212869^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1440223021096 and 1440223021105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72011151047 + ... + 72011151066.

Almost surely, 2^{1440223021130} is an apocalyptic number.

1440223021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440223021130 is a deficient number, since it is larger than the sum of its proper divisors (1152178416922).

1440223021130 is a wasteful number, since it uses less digits than its factorization.

1440223021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144022302120.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1440223021130 its reverse (311203220441), we get a palindrome (1751426241571).

The spelling of 1440223021130 in words is "one trillion, four hundred forty billion, two hundred twenty-three million, twenty-one thousand, one hundred thirty".