5541142266 has 96 divisors (see below), whose sum is σ = 13294689408. Its totient is φ = 1653995520.

The previous prime is 5541142261. The next prime is 5541142279. The reversal of 5541142266 is 6622411455.

5541142266 is a `hidden beast` number, since 554 + 1 + 1 + 42 + 2 + 66 = 666.

It is a super-2 number, since 2×5541142266² = 61408515224103229512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5541142266.

It is not an unprimeable number, because it can be changed into a prime (5541142261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5050630 + ... + 5051726.

It is an arithmetic number, because the mean of its divisors is an integer number (138486348).

Almost surely, 2^5541142266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5541142266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6647344704).

5541142266 is an abundant number, since it is smaller than the sum of its proper divisors (7753547142).

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

5541142266 is a wasteful number, since it uses less digits than its factorization.

5541142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 5541142266 is about 74438.8491716523. The cubic root of 5541142266 is about 1769.5646482675.

The spelling of 5541142266 in words is "five billion, five hundred forty-one million, one hundred forty-two thousand, two hundred sixty-six".