13244423340 has 48 divisors (see below), whose sum is σ = 37784099808. Its totient is φ = 3465206784.

The previous prime is 13244423329. The next prime is 13244423341. The reversal of 13244423340 is 4332444231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13244423298 and 13244423307.

It is not an unprimeable number, because it can be changed into a prime (13244423341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2079277 + ... + 2085636.

It is an arithmetic number, because the mean of its divisors is an integer number (787168746).

Almost surely, 2^13244423340 is an apocalyptic number.

13244423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13244423340 is an abundant number, since it is smaller than the sum of its proper divisors (24539676468).

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

13244423340 is a wasteful number, since it uses less digits than its factorization.

13244423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164978 (or 4164976 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13244423340 its reverse (4332444231), we get a palindrome (17576867571).

The spelling of 13244423340 in words is "thirteen billion, two hundred forty-four million, four hundred twenty-three thousand, three hundred forty".