13331240340 has 72 divisors (see below), whose sum is σ = 41029393440. Its totient is φ = 3231814080.

The previous prime is 13331240333. The next prime is 13331240357. The reversal of 13331240340 is 4304213331.

It is a self number, because there is not a number n which added to its sum of digits gives 13331240340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910870 + ... + 925389.

Almost surely, 2^13331240340 is an apocalyptic number.

13331240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331240340 is an abundant number, since it is smaller than the sum of its proper divisors (27698153100).

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

13331240340 is a wasteful number, since it uses less digits than its factorization.

13331240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836293 (or 1836280 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13331240340 its reverse (4304213331), we get a palindrome (17635453671).

The spelling of 13331240340 in words is "thirteen billion, three hundred thirty-one million, two hundred forty thousand, three hundred forty".