13044401340 has 192 divisors, whose sum is σ = 38786936832. Its totient is φ = 3270758400.

The previous prime is 13044401329. The next prime is 13044401387. The reversal of 13044401340 is 4310444031.

It is a self number, because there is not a number n which added to its sum of digits gives 13044401340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11138955 + ... + 11140125.

It is an arithmetic number, because the mean of its divisors is an integer number (202015296).

Almost surely, 2^13044401340 is an apocalyptic number.

13044401340 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 13044401340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19393468416).

13044401340 is an abundant number, since it is smaller than the sum of its proper divisors (25742535492).

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

13044401340 is a wasteful number, since it uses less digits than its factorization.

13044401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13044401340 its reverse (4310444031), we get a palindrome (17354845371).

The spelling of 13044401340 in words is "thirteen billion, forty-four million, four hundred one thousand, three hundred forty".