2444131223220 has 48 divisors (see below), whose sum is σ = 6843730013568. Its totient is φ = 651752841600.

The previous prime is 2444131223207. The next prime is 2444131223239. The reversal of 2444131223220 is 223221314442.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184217 + ... + 3107903.

It is an arithmetic number, because the mean of its divisors is an integer number (142577708616).

Almost surely, 2^{2444131223220} is an apocalyptic number.

2444131223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444131223220 is an abundant number, since it is smaller than the sum of its proper divisors (4399598790348).

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

2444131223220 is a wasteful number, since it uses less digits than its factorization.

2444131223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967800 (or 967798 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2444131223220 its reverse (223221314442), we get a palindrome (2667352537662).

The spelling of 2444131223220 in words is "two trillion, four hundred forty-four billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty".