5528397987840 has 960 divisors, whose sum is σ = 21910207656960. Its totient is φ = 1159074938880.

The previous prime is 5528397987799. The next prime is 5528397987851. The reversal of 5528397987840 is 487897938255.

It is a tau number, because it is divible by the number of its divisors (960).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4003183950 + ... + 4003185330.

It is an arithmetic number, because the mean of its divisors is an integer number (22823132976).

Almost surely, 2^{5528397987840} 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 5528397987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10955103828480).

5528397987840 is an abundant number, since it is smaller than the sum of its proper divisors (16381809669120).

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

5528397987840 is a wasteful number, since it uses less digits than its factorization.

5528397987840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 75.

The spelling of 5528397987840 in words is "five trillion, five hundred twenty-eight billion, three hundred ninety-seven million, nine hundred eighty-seven thousand, eight hundred forty".