5525901987840 has 1248 divisors, whose sum is σ = 21278063439360. Its totient is φ = 1317959368704.

The previous prime is 5525901987811. The next prime is 5525901987857. The reversal of 5525901987840 is 487891095255.

5525901987840 is a `hidden beast` number, since 5 + 525 + 90 + 19 + 8 + 7 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1248).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15654113104 + ... + 15654113456.

It is an arithmetic number, because the mean of its divisors is an integer number (17049730320).

Almost surely, 2^{5525901987840} 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 5525901987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10639031719680).

5525901987840 is an abundant number, since it is smaller than the sum of its proper divisors (15752161451520).

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

5525901987840 is a wasteful number, since it uses less digits than its factorization.

5525901987840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 63.

The spelling of 5525901987840 in words is "five trillion, five hundred twenty-five billion, nine hundred one million, nine hundred eighty-seven thousand, eight hundred forty".