1440223030 has 16 divisors (see below), whose sum is σ = 2607927840. Its totient is φ = 572638912.

The previous prime is 1440223013. The next prime is 1440223033. The reversal of 1440223030 is 303220441.

It is a super-2 number, since 2×1440223030² = 4148484752284761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440222989 and 1440223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440223033) 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, 429535 + ... + 432874.

It is an arithmetic number, because the mean of its divisors is an integer number (162995490).

Almost surely, 2^1440223030 is an apocalyptic number.

1440223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440223030 is a deficient number, since it is larger than the sum of its proper divisors (1167704810).

1440223030 is a wasteful number, since it uses less digits than its factorization.

1440223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862583.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1440223030 is about 37950.2704865196. The cubic root of 1440223030 is about 1129.3015314436.

Adding to 1440223030 its reverse (303220441), we get a palindrome (1743443471).

The spelling of 1440223030 in words is "one billion, four hundred forty million, two hundred twenty-three thousand, thirty".