13232021400 has 1152 divisors, whose sum is σ = 55571443200. Its totient is φ = 2786918400.

The previous prime is 13232021359. The next prime is 13232021501. The reversal of 13232021400 is 412023231.

13232021400 is a `hidden beast` number, since 1 + 323 + 202 + 140 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 357622182 + ... + 357622218.

It is an arithmetic number, because the mean of its divisors is an integer number (48239100).

Almost surely, 2^13232021400 is an apocalyptic number.

13232021400 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 13232021400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27785721600).

13232021400 is an abundant number, since it is smaller than the sum of its proper divisors (42339421800).

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

13232021400 is a wasteful number, since it uses less digits than its factorization.

13232021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13232021400 its reverse (412023231), we get a palindrome (13644044631).

The spelling of 13232021400 in words is "thirteen billion, two hundred thirty-two million, twenty-one thousand, four hundred".