13004044240 has 120 divisors (see below), whose sum is σ = 33290619264. Its totient is φ = 4720531200.

The previous prime is 13004044189. The next prime is 13004044241. The reversal of 13004044240 is 4244040031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004044241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9979429 + ... + 9980731.

Almost surely, 2^13004044240 is an apocalyptic number.

13004044240 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 13004044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16645309632).

13004044240 is an abundant number, since it is smaller than the sum of its proper divisors (20286575024).

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

13004044240 is a wasteful number, since it uses less digits than its factorization.

13004044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 13004044240 its reverse (4244040031), we get a palindrome (17248084271).

The spelling of 13004044240 in words is "thirteen billion, four million, forty-four thousand, two hundred forty".