5444454400440 has 128 divisors (see below), whose sum is σ = 17883965445120. Its totient is φ = 1314997286400.

The previous prime is 5444454400439. The next prime is 5444454400471. The reversal of 5444454400440 is 440044544445.

It is a junction number, because it is equal to n+sod(n) for n = 5444454400392 and 5444454400401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7252219 + ... + 7967658.

It is an arithmetic number, because the mean of its divisors is an integer number (139718480040).

Almost surely, 2^{5444454400440} is an apocalyptic number.

It is an amenable number.

5444454400440 is an abundant number, since it is smaller than the sum of its proper divisors (12439511044680).

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

5444454400440 is a wasteful number, since it uses less digits than its factorization.

5444454400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220173 (or 15220169 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 42.

Adding to 5444454400440 its reverse (440044544445), we get a palindrome (5884498944885).

The spelling of 5444454400440 in words is "five trillion, four hundred forty-four billion, four hundred fifty-four million, four hundred thousand, four hundred forty".