13240414040 has 64 divisors (see below), whose sum is σ = 34554988800. Its totient is φ = 4471809408.

The previous prime is 13240413899. The next prime is 13240414051. The reversal of 13240414040 is 4041404231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13240413997 and 13240414015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334130 + ... + 371649.

It is an arithmetic number, because the mean of its divisors is an integer number (539921700).

Almost surely, 2^13240414040 is an apocalyptic number.

13240414040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240414040 is an abundant number, since it is smaller than the sum of its proper divisors (21314574760).

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

13240414040 is a wasteful number, since it uses less digits than its factorization.

13240414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705864 (or 705860 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 13240414040 its reverse (4041404231), we get a palindrome (17281818271).

The spelling of 13240414040 in words is "thirteen billion, two hundred forty million, four hundred fourteen thousand, forty".