13449493340 has 96 divisors (see below), whose sum is σ = 30356532864. Its totient is φ = 4992261120.

The previous prime is 13449493307. The next prime is 13449493361. The reversal of 13449493340 is 4339494431.

It is a super-2 number, since 2×13449493340² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13449493291 and 13449493300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7164482 + ... + 7166358.

It is an arithmetic number, because the mean of its divisors is an integer number (316213884).

Almost surely, 2^13449493340 is an apocalyptic number.

13449493340 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 13449493340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15178266432).

13449493340 is an abundant number, since it is smaller than the sum of its proper divisors (16907039524).

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

13449493340 is a wasteful number, since it uses less digits than its factorization.

13449493340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 13449493340 in words is "thirteen billion, four hundred forty-nine million, four hundred ninety-three thousand, three hundred forty".