5509990277280 has 144 divisors (see below), whose sum is σ = 18806902254504. Its totient is φ = 1469013442560.

The previous prime is 5509990277171. The next prime is 5509990277299. The reversal of 5509990277280 is 827720999055.

5509990277280 is a `hidden beast` number, since 550 + 9 + 9 + 9 + 0 + 2 + 7 + 72 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4222482497424 + 1287507779856 = 2054868^2 + 1134684^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6295260 + ... + 7116900.

Almost surely, 2^{5509990277280} 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 5509990277280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9403451127252).

5509990277280 is an abundant number, since it is smaller than the sum of its proper divisors (13296911977224).

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

5509990277280 is a wasteful number, since it uses less digits than its factorization.

5509990277280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826319 (or 826308 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 5509990277280 in words is "five trillion, five hundred nine billion, nine hundred ninety million, two hundred seventy-seven thousand, two hundred eighty".