5440013144 has 32 divisors (see below), whose sum is σ = 10348165920. Its totient is φ = 2680563456.

The previous prime is 5440013099. The next prime is 5440013147. The reversal of 5440013144 is 4413100445.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440013147) 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, 898094 + ... + 904130.

It is an arithmetic number, because the mean of its divisors is an integer number (323380185).

Almost surely, 2^5440013144 is an apocalyptic number.

It is an amenable number.

5440013144 is a deficient number, since it is larger than the sum of its proper divisors (4908152776).

5440013144 is a wasteful number, since it uses less digits than its factorization.

5440013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659 (or 7655 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5440013144 is about 73756.4447624748. Note that the first 3 decimals coincide. The cubic root of 5440013144 is about 1758.7332853310.

Adding to 5440013144 its reverse (4413100445), we get a palindrome (9853113589).

The spelling of 5440013144 in words is "five billion, four hundred forty million, thirteen thousand, one hundred forty-four".