5244603025440 has 96 divisors (see below), whose sum is σ = 17492293647360. Its totient is φ = 1316292521984.

The previous prime is 5244603025379. The next prime is 5244603025471. The reversal of 5244603025440 is 445203064425.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 321352320 + ... + 321368639.

It is an arithmetic number, because the mean of its divisors is an integer number (182211392160).

Almost surely, 2^{5244603025440} is an apocalyptic number.

It is an amenable number.

5244603025440 is an abundant number, since it is smaller than the sum of its proper divisors (12247690621920).

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

5244603025440 is a wasteful number, since it uses less digits than its factorization.

5244603025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642720994 (or 642720986 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 5244603025440 its reverse (445203064425), we get a palindrome (5689806089865).

The spelling of 5244603025440 in words is "five trillion, two hundred forty-four billion, six hundred three million, twenty-five thousand, four hundred forty".