5523601564440 has 256 divisors, whose sum is σ = 18460569600000. Its totient is φ = 1469080364544.

The previous prime is 5523601564433. The next prime is 5523601564469. The reversal of 5523601564440 is 444651063255.

5523601564440 is a `hidden beast` number, since 5 + 5 + 23 + 60 + 1 + 564 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 784710441 + ... + 784717479.

It is an arithmetic number, because the mean of its divisors is an integer number (72111600000).

Almost surely, 2^{5523601564440} 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 5523601564440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9230284800000).

5523601564440 is an abundant number, since it is smaller than the sum of its proper divisors (12936968035560).

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

5523601564440 is a wasteful number, since it uses less digits than its factorization.

5523601564440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 5523601564440 in words is "five trillion, five hundred twenty-three billion, six hundred one million, five hundred sixty-four thousand, four hundred forty".