13202023404640 has 192 divisors, whose sum is σ = 36167987552256. Its totient is φ = 4460173258752.

The previous prime is 13202023404637. The next prime is 13202023404641. The reversal of 13202023404640 is 4640432020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202023404641) 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, 86834929 + ... + 86986831.

It is an arithmetic number, because the mean of its divisors is an integer number (188374935168).

Almost surely, 2^{13202023404640} is an apocalyptic number.

13202023404640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13202023404640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18083993776128).

13202023404640 is an abundant number, since it is smaller than the sum of its proper divisors (22965964147616).

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

13202023404640 is a wasteful number, since it uses less digits than its factorization.

13202023404640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153061 (or 153053 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13202023404640 its reverse (4640432020231), we get a palindrome (17842455424871).

The spelling of 13202023404640 in words is "thirteen trillion, two hundred two billion, twenty-three million, four hundred four thousand, six hundred forty".