5143533440 has 32 divisors (see below), whose sum is σ = 12296261160. Its totient is φ = 2057413120.

The previous prime is 5143533433. The next prime is 5143533449. The reversal of 5143533440 is 443353415.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×5143533440³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 5143533397 and 5143533406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143533449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017746 + ... + 4019025.

Almost surely, 2^5143533440 is an apocalyptic number.

It is an amenable number.

5143533440 is an abundant number, since it is smaller than the sum of its proper divisors (7152727720).

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

5143533440 is an equidigital number, since it uses as much as digits as its factorization.

5143533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036790 (or 8036778 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 5143533440 is about 71718.4316616029. The cubic root of 5143533440 is about 1726.1844070567.

Adding to 5143533440 its reverse (443353415), we get a palindrome (5586886855).

The spelling of 5143533440 in words is "five billion, one hundred forty-three million, five hundred thirty-three thousand, four hundred forty".