5540191885 has 16 divisors (see below), whose sum is σ = 6730335360. Its totient is φ = 4377630400.

The previous prime is 5540191879. The next prime is 5540191903. The reversal of 5540191885 is 5881910455.

It is a happy number.

It is not a de Polignac number, because 5540191885 - 2⁷ = 5540191757 is a prime.

It is a super-4 number, since 4×5540191885⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198504 + ... + 224686.

It is an arithmetic number, because the mean of its divisors is an integer number (420645960).

Almost surely, 2^5540191885 is an apocalyptic number.

It is an amenable number.

5540191885 is a deficient number, since it is larger than the sum of its proper divisors (1190143475).

5540191885 is a wasteful number, since it uses less digits than its factorization.

5540191885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26708.

The product of its (nonzero) digits is 288000, while the sum is 46.

The square root of 5540191885 is about 74432.4652621422. The cubic root of 5540191885 is about 1769.4634743762.

The spelling of 5540191885 in words is "five billion, five hundred forty million, one hundred ninety-one thousand, eight hundred eighty-five".