6535324153240 has 128 divisors (see below), whose sum is σ = 15160472308800. Its totient is φ = 2533629818880.

The previous prime is 6535324153229. The next prime is 6535324153249. The reversal of 6535324153240 is 423514235356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6535324153249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466901922 + ... + 466915918.

Almost surely, 2^{6535324153240} 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 6535324153240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7580236154400).

6535324153240 is an abundant number, since it is smaller than the sum of its proper divisors (8625148155560).

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

6535324153240 is a wasteful number, since it uses less digits than its factorization.

6535324153240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245 (or 15241 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 6535324153240 its reverse (423514235356), we get a palindrome (6958838388596).

The spelling of 6535324153240 in words is "six trillion, five hundred thirty-five billion, three hundred twenty-four million, one hundred fifty-three thousand, two hundred forty".