2444440020440 has 96 divisors (see below), whose sum is σ = 6105300702480. Its totient is φ = 880086240000.

The previous prime is 2444440020437. The next prime is 2444440020479. The reversal of 2444440020440 is 440200444442.

It is a junction number, because it is equal to n+sod(n) for n = 2444440020397 and 2444440020406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2011406 + ... + 2989085.

Almost surely, 2^{2444440020440} is an apocalyptic number.

2444440020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444440020440 is an abundant number, since it is smaller than the sum of its proper divisors (3660860682040).

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

2444440020440 is a wasteful number, since it uses less digits than its factorization.

2444440020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000625 (or 5000610 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2444440020440 its reverse (440200444442), we get a palindrome (2884640464882).

The spelling of 2444440020440 in words is "two trillion, four hundred forty-four billion, four hundred forty million, twenty thousand, four hundred forty".