5440541789 has 4 divisors (see below), whose sum is σ = 5442572256. Its totient is φ = 5438511324.

The previous prime is 5440541759. The next prime is 5440541797. The reversal of 5440541789 is 9871450445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5440541789 - 2¹⁶ = 5440476253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440541759) 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, 1011209 + ... + 1016574.

It is an arithmetic number, because the mean of its divisors is an integer number (1360643064).

Almost surely, 2^5440541789 is an apocalyptic number.

It is an amenable number.

5440541789 is a deficient number, since it is larger than the sum of its proper divisors (2030467).

5440541789 is a wasteful number, since it uses less digits than its factorization.

5440541789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030466.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 5440541789 is about 73760.0283961442. The cubic root of 5440541789 is about 1758.7902530513.

The spelling of 5440541789 in words is "five billion, four hundred forty million, five hundred forty-one thousand, seven hundred eighty-nine".