13501250440 has 32 divisors (see below), whose sum is σ = 31425327000. Its totient is φ = 5214275584.

The previous prime is 13501250393. The next prime is 13501250471. The reversal of 13501250440 is 4405210531.

It is a happy number.

13501250440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6721704196 + 6779546244 = 81986^2 + 82338^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5818345 + ... + 5820664.

Almost surely, 2^13501250440 is an apocalyptic number.

13501250440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13501250440 is an abundant number, since it is smaller than the sum of its proper divisors (17924076560).

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

13501250440 is a wasteful number, since it uses less digits than its factorization.

13501250440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639049 (or 11639045 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 13501250440 its reverse (4405210531), we get a palindrome (17906460971).

The spelling of 13501250440 in words is "thirteen billion, five hundred one million, two hundred fifty thousand, four hundred forty".