2044440442420 has 12 divisors (see below), whose sum is σ = 4293324929124. Its totient is φ = 817776176960.

The previous prime is 2044440442391. The next prime is 2044440442459. The reversal of 2044440442420 is 242440444402.

It can be written as a sum of positive squares in 2 ways, for example, as 1479760334116 + 564680108304 = 1216454^2 + 751452^2 .

It is a congruent number.

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, 51111011041 + ... + 51111011080.

It is an arithmetic number, because the mean of its divisors is an integer number (357777077427).

Almost surely, 2^{2044440442420} is an apocalyptic number.

2044440442420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044440442420 is an abundant number, since it is smaller than the sum of its proper divisors (2248884486704).

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

2044440442420 is a wasteful number, since it uses less digits than its factorization.

2044440442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102222022130 (or 102222022128 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2044440442420 its reverse (242440444402), we get a palindrome (2286880886822).

The spelling of 2044440442420 in words is "two trillion, forty-four billion, four hundred forty million, four hundred forty-two thousand, four hundred twenty".