13250304440 has 32 divisors (see below), whose sum is σ = 29820275280. Its totient is φ = 5298861312.

The previous prime is 13250304401. The next prime is 13250304451. The reversal of 13250304440 is 4440305231.

It is a congruent number.

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, 141119 + ... + 215441.

Almost surely, 2^13250304440 is an apocalyptic number.

13250304440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13250304440 is an abundant number, since it is smaller than the sum of its proper divisors (16569970840).

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

13250304440 is a wasteful number, since it uses less digits than its factorization.

13250304440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78791 (or 78787 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13250304440 its reverse (4440305231), we get a palindrome (17690609671).

The spelling of 13250304440 in words is "thirteen billion, two hundred fifty million, three hundred four thousand, four hundred forty".