5448449928636 has 576 divisors, whose sum is σ = 17121023861760. Its totient is φ = 1437388001280.

The previous prime is 5448449928611. The next prime is 5448449928667. The reversal of 5448449928636 is 6368299448445.

It is a happy number.

5448449928636 is a `hidden beast` number, since 5 + 4 + 4 + 84 + 499 + 28 + 6 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7197423570 + ... + 7197424326.

It is an arithmetic number, because the mean of its divisors is an integer number (29723999760).

Almost surely, 2^{5448449928636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5448449928636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8560511930880).

5448449928636 is an abundant number, since it is smaller than the sum of its proper divisors (11672573933124).

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

5448449928636 is a wasteful number, since it uses less digits than its factorization.

5448449928636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1581 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 72.

The spelling of 5448449928636 in words is "five trillion, four hundred forty-eight billion, four hundred forty-nine million, nine hundred twenty-eight thousand, six hundred thirty-six".