5440941181 has 4 divisors (see below), whose sum is σ = 5859475132. Its totient is φ = 5022407232.

The previous prime is 5440941133. The next prime is 5440941197. The reversal of 5440941181 is 1811490445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3302341156 + 2138600025 = 57466^2 + 46245^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440941181 - 2⁹ = 5440940669 is a prime.

It is a super-2 number, since 2×5440941181² = 59207681870203349522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440941181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440941581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209266956 + ... + 209266981.

It is an arithmetic number, because the mean of its divisors is an integer number (1464868783).

Almost surely, 2^5440941181 is an apocalyptic number.

It is an amenable number.

5440941181 is a deficient number, since it is larger than the sum of its proper divisors (418533951).

5440941181 is a wasteful number, since it uses less digits than its factorization.

5440941181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418533950.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 5440941181 is about 73762.7357206876. The cubic root of 5440941181 is about 1758.8332897926.

The spelling of 5440941181 in words is "five billion, four hundred forty million, nine hundred forty-one thousand, one hundred eighty-one".