13056099640 has 32 divisors (see below), whose sum is σ = 29778644880. Its totient is φ = 5150898432.

The previous prime is 13056099619. The next prime is 13056099643. The reversal of 13056099640 is 4699065031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056099643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232714 + ... + 2238553.

Almost surely, 2^13056099640 is an apocalyptic number.

13056099640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13056099640 is an abundant number, since it is smaller than the sum of its proper divisors (16722545240).

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

13056099640 is a wasteful number, since it uses less digits than its factorization.

13056099640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471351 (or 4471347 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 13056099640 in words is "thirteen billion, fifty-six million, ninety-nine thousand, six hundred forty".