5541686280 has 320 divisors, whose sum is σ = 20554657200. Its totient is φ = 1330421760.

The previous prime is 5541686279. The next prime is 5541686287. The reversal of 5541686280 is 826861455.

5541686280 is a `hidden beast` number, since 5 + 5 + 4 + 16 + 8 + 628 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 391327524 + 5150358756 = 19782^2 + 71766^2 .

It is a super-3 number, since 3×5541686280³ (a number of 30 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (5541686287) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1725316 + ... + 1728524.

Almost surely, 2^5541686280 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 5541686280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10277328600).

5541686280 is an abundant number, since it is smaller than the sum of its proper divisors (15012970920).

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

5541686280 is a wasteful number, since it uses less digits than its factorization.

5541686280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 5541686280 is about 74442.5031819860. The cubic root of 5541686280 is about 1769.6225566911.

The spelling of 5541686280 in words is "five billion, five hundred forty-one million, six hundred eighty-six thousand, two hundred eighty".