13026730244 has 24 divisors (see below), whose sum is σ = 24994200000. Its totient is φ = 5891482080.

The previous prime is 13026730237. The next prime is 13026730261. The reversal of 13026730244 is 44203762031.

It is a self number, because there is not a number n which added to its sum of digits gives 13026730244.

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, 735119 + ... + 752630.

It is an arithmetic number, because the mean of its divisors is an integer number (1041425000).

Almost surely, 2^13026730244 is an apocalyptic number.

It is an amenable number.

13026730244 is a deficient number, since it is larger than the sum of its proper divisors (11967469756).

13026730244 is a wasteful number, since it uses less digits than its factorization.

13026730244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487963 (or 1487961 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 13026730244 in words is "thirteen billion, twenty-six million, seven hundred thirty thousand, two hundred forty-four".