13305340240 has 40 divisors (see below), whose sum is σ = 31024130400. Its totient is φ = 5306787456.

The previous prime is 13305340199. The next prime is 13305340253. The reversal of 13305340240 is 4204350331.

It is a tau number, because it is divible by the number of its divisors (40).

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, 211890 + ... + 267409.

It is an arithmetic number, because the mean of its divisors is an integer number (775603260).

Almost surely, 2^13305340240 is an apocalyptic number.

13305340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13305340240 is an abundant number, since it is smaller than the sum of its proper divisors (17718790160).

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

13305340240 is a wasteful number, since it uses less digits than its factorization.

13305340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479659 (or 479653 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 13305340240 its reverse (4204350331), we get a palindrome (17509690571).

The spelling of 13305340240 in words is "thirteen billion, three hundred five million, three hundred forty thousand, two hundred forty".