1444321302220 has 24 divisors (see below), whose sum is σ = 3046675976064. Its totient is φ = 575137808256.

The previous prime is 1444321302173. The next prime is 1444321302253. The reversal of 1444321302220 is 222031234441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161914969 + ... + 161923888.

It is an arithmetic number, because the mean of its divisors is an integer number (126944832336).

Almost surely, 2^{1444321302220} is an apocalyptic number.

1444321302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444321302220 is an abundant number, since it is smaller than the sum of its proper divisors (1602354673844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444321302220 is a wasteful number, since it uses less digits than its factorization.

1444321302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323839089 (or 323839087 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1444321302220 its reverse (222031234441), we get a palindrome (1666352536661).

The spelling of 1444321302220 in words is "one trillion, four hundred forty-four billion, three hundred twenty-one million, three hundred two thousand, two hundred twenty".