5440989731 has 8 divisors (see below), whose sum is σ = 5455134720. Its totient is φ = 5426858952.

The previous prime is 5440989727. The next prime is 5440989737. The reversal of 5440989731 is 1379890445.

5440989731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5440989731 - 2² = 5440989727 is a prime.

It is a super-2 number, since 2×5440989731² = 59208738505694904722, 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 5440989731.

It is not an unprimeable number, because it can be changed into a prime (5440989737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516766 + ... + 1520348.

It is an arithmetic number, because the mean of its divisors is an integer number (681891840).

Almost surely, 2^5440989731 is an apocalyptic number.

5440989731 is a deficient number, since it is larger than the sum of its proper divisors (14144989).

5440989731 is a wasteful number, since it uses less digits than its factorization.

5440989731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 5440989731 is about 73763.0648156650. The cubic root of 5440989731 is about 1758.8385211855.

The spelling of 5440989731 in words is "five billion, four hundred forty million, nine hundred eighty-nine thousand, seven hundred thirty-one".