13260322944 has 256 divisors, whose sum is σ = 42999120000. Its totient is φ = 3989606400.

The previous prime is 13260322921. The next prime is 13260322961. The reversal of 13260322944 is 44922306231.

13260322944 is a `hidden beast` number, since 1 + 3 + 2 + 603 + 2 + 2 + 9 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13260322899 and 13260322908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5663214 + ... + 5665554.

Almost surely, 2^13260322944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13260322944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21499560000).

13260322944 is an abundant number, since it is smaller than the sum of its proper divisors (29738797056).

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

13260322944 is a wasteful number, since it uses less digits than its factorization.

13260322944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 13260322944 in words is "thirteen billion, two hundred sixty million, three hundred twenty-two thousand, nine hundred forty-four".