5444312121440 has 48 divisors (see below), whose sum is σ = 12871924591680. Its totient is φ = 2176076221440.

The previous prime is 5444312121421. The next prime is 5444312121463. The reversal of 5444312121440 is 441212134445.

It is a self number, because there is not a number n which added to its sum of digits gives 5444312121440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12667880 + ... + 13090599.

It is an arithmetic number, because the mean of its divisors is an integer number (268165095660).

Almost surely, 2^{5444312121440} is an apocalyptic number.

It is an amenable number.

5444312121440 is an abundant number, since it is smaller than the sum of its proper divisors (7427612470240).

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

5444312121440 is a wasteful number, since it uses less digits than its factorization.

5444312121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25759815 (or 25759807 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 5444312121440 its reverse (441212134445), we get a palindrome (5885524255885).

The spelling of 5444312121440 in words is "five trillion, four hundred forty-four billion, three hundred twelve million, one hundred twenty-one thousand, four hundred forty".