13026311240 has 32 divisors (see below), whose sum is σ = 29315278080. Its totient is φ = 5209444032.

The previous prime is 13026311239. The next prime is 13026311261. The reversal of 13026311240 is 4211362031.

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, 177929 + ... + 240231.

It is an arithmetic number, because the mean of its divisors is an integer number (916102440).

Almost surely, 2^13026311240 is an apocalyptic number.

13026311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13026311240 is an abundant number, since it is smaller than the sum of its proper divisors (16288966840).

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

13026311240 is a wasteful number, since it uses less digits than its factorization.

13026311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67541 (or 67537 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13026311240 its reverse (4211362031), we get a palindrome (17237673271).

The spelling of 13026311240 in words is "thirteen billion, twenty-six million, three hundred eleven thousand, two hundred forty".