6532043540 has 48 divisors (see below), whose sum is σ = 14971811904. Its totient is φ = 2374099200.

The previous prime is 6532043537. The next prime is 6532043543. The reversal of 6532043540 is 453402356.

It is an interprime number because it is at equal distance from previous prime (6532043537) and next prime (6532043543).

It is a junction number, because it is equal to n+sod(n) for n = 6532043497 and 6532043506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6532043543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516695 + ... + 529185.

It is an arithmetic number, because the mean of its divisors is an integer number (311912748).

Almost surely, 2^6532043540 is an apocalyptic number.

It is an amenable number.

6532043540 is an abundant number, since it is smaller than the sum of its proper divisors (8439768364).

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

6532043540 is a wasteful number, since it uses less digits than its factorization.

6532043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14888 (or 14886 counting only the distinct ones).

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

The square root of 6532043540 is about 80821.0587656460. The cubic root of 6532043540 is about 1869.3172929890.

Adding to 6532043540 its reverse (453402356), we get a palindrome (6985445896).

The spelling of 6532043540 in words is "six billion, five hundred thirty-two million, forty-three thousand, five hundred forty".