13055324440 has 32 divisors (see below), whose sum is σ = 29391822000. Its totient is φ = 5219046784.

The previous prime is 13055324431. The next prime is 13055324461. The reversal of 13055324440 is 4442355031.

It is a super-2 number, since 2×13055324440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27130 + ... + 163849.

Almost surely, 2^13055324440 is an apocalyptic number.

13055324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13055324440 is an abundant number, since it is smaller than the sum of its proper divisors (16336497560).

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

13055324440 is a wasteful number, since it uses less digits than its factorization.

13055324440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192699 (or 192695 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 13055324440 its reverse (4442355031), we get a palindrome (17497679471).

The spelling of 13055324440 in words is "thirteen billion, fifty-five million, three hundred twenty-four thousand, four hundred forty".