5143454440 has 64 divisors (see below), whose sum is σ = 11753035200. Its totient is φ = 2025441792.

The previous prime is 5143454429. The next prime is 5143454479. The reversal of 5143454440 is 444543415.

It is a junction number, because it is equal to n+sod(n) for n = 5143454396 and 5143454405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993071 + ... + 1995649.

It is an arithmetic number, because the mean of its divisors is an integer number (183641175).

Almost surely, 2^5143454440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5143454440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5876517600).

5143454440 is an abundant number, since it is smaller than the sum of its proper divisors (6609580760).

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

5143454440 is a wasteful number, since it uses less digits than its factorization.

5143454440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 5143454440 is about 71717.8808945161. The cubic root of 5143454440 is about 1726.1755694702.

Adding to 5143454440 its reverse (444543415), we get a palindrome (5587997855).

The spelling of 5143454440 in words is "five billion, one hundred forty-three million, four hundred fifty-four thousand, four hundred forty".