5440012144 has 30 divisors (see below), whose sum is σ = 12260845464. Its totient is φ = 2331433440.

The previous prime is 5440012139. The next prime is 5440012169. The reversal of 5440012144 is 4412100445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3468612 + ... + 3470179.

Almost surely, 2^5440012144 is an apocalyptic number.

It is an amenable number.

5440012144 is an abundant number, since it is smaller than the sum of its proper divisors (6820833320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5440012144 is a wasteful number, since it uses less digits than its factorization.

5440012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938813 (or 6938800 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 5440012144 is about 73756.4379834059. The cubic root of 5440012144 is about 1758.7331775657.

Adding to 5440012144 its reverse (4412100445), we get a palindrome (9852112589).

The spelling of 5440012144 in words is "five billion, four hundred forty million, twelve thousand, one hundred forty-four".