13000334440 has 32 divisors (see below), whose sum is σ = 29255719680. Its totient is φ = 5199250752.

The previous prime is 13000334423. The next prime is 13000334443. The reversal of 13000334440 is 4443300031.

It is a super-2 number, since 2×13000334440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13000334443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243877 + ... + 292363.

It is an arithmetic number, because the mean of its divisors is an integer number (914241240).

Almost surely, 2^13000334440 is an apocalyptic number.

13000334440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000334440 is an abundant number, since it is smaller than the sum of its proper divisors (16255385240).

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

13000334440 is a wasteful number, since it uses less digits than its factorization.

13000334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55201 (or 55197 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13000334440 its reverse (4443300031), we get a palindrome (17443634471).

The spelling of 13000334440 in words is "thirteen billion, three hundred thirty-four thousand, four hundred forty".