13320253044 has 144 divisors (see below), whose sum is σ = 39289985280. Its totient is φ = 3726328320.

The previous prime is 13320253021. The next prime is 13320253081. The reversal of 13320253044 is 44035202331.

13320253044 is a `hidden beast` number, since 1 + 332 + 0 + 25 + 304 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13320252999 and 13320253017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3579817 + ... + 3583535.

It is an arithmetic number, because the mean of its divisors is an integer number (272847120).

Almost surely, 2^13320253044 is an apocalyptic number.

13320253044 is a gapful number since it is divisible by the number (14) 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 13320253044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19644992640).

13320253044 is an abundant number, since it is smaller than the sum of its proper divisors (25969732236).

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

13320253044 is a wasteful number, since it uses less digits than its factorization.

13320253044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 13320253044 its reverse (44035202331), we get a palindrome (57355455375).

The spelling of 13320253044 in words is "thirteen billion, three hundred twenty million, two hundred fifty-three thousand, forty-four".