13230201440 has 96 divisors (see below), whose sum is σ = 32217738336. Its totient is φ = 5130915840.

The previous prime is 13230201437. The next prime is 13230201449. The reversal of 13230201440 is 4410203231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230201449) 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, 1063094 + ... + 1075466.

It is an arithmetic number, because the mean of its divisors is an integer number (335601441).

Almost surely, 2^13230201440 is an apocalyptic number.

13230201440 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 13230201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16108869168).

13230201440 is an abundant number, since it is smaller than the sum of its proper divisors (18987536896).

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

13230201440 is a wasteful number, since it uses less digits than its factorization.

13230201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592 (or 12584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13230201440 its reverse (4410203231), we get a palindrome (17640404671).

The spelling of 13230201440 in words is "thirteen billion, two hundred thirty million, two hundred one thousand, four hundred forty".