13288277440 has 28 divisors (see below), whose sum is σ = 31642711416. Its totient is φ = 5315310848.

The previous prime is 13288277417. The next prime is 13288277461. The reversal of 13288277440 is 4477288231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20762614 + ... + 20763253.

Almost surely, 2^13288277440 is an apocalyptic number.

13288277440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13288277440 is an abundant number, since it is smaller than the sum of its proper divisors (18354433976).

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

13288277440 is an equidigital number, since it uses as much as digits as its factorization.

13288277440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41525884 (or 41525874 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 13288277440 in words is "thirteen billion, two hundred eighty-eight million, two hundred seventy-seven thousand, four hundred forty".