5440541909 has 16 divisors (see below), whose sum is σ = 6615017280. Its totient is φ = 4410005760.

The previous prime is 5440541903. The next prime is 5440541971. The reversal of 5440541909 is 9091450445.

It is a cyclic number.

It is not a de Polignac number, because 5440541909 - 2⁴ = 5440541893 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 (5440541903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762074 + ... + 769179.

It is an arithmetic number, because the mean of its divisors is an integer number (413438580).

Almost surely, 2^5440541909 is an apocalyptic number.

It is an amenable number.

5440541909 is a deficient number, since it is larger than the sum of its proper divisors (1174475371).

5440541909 is a wasteful number, since it uses less digits than its factorization.

5440541909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531300.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 5440541909 is about 73760.0292095929. The cubic root of 5440541909 is about 1758.7902659823.

The spelling of 5440541909 in words is "five billion, four hundred forty million, five hundred forty-one thousand, nine hundred nine".