13240878844 has 24 divisors (see below), whose sum is σ = 23930339328. Its totient is φ = 6403841520.

The previous prime is 13240878811. The next prime is 13240878853. The reversal of 13240878844 is 44887804231.

It is a super-2 number, since 2×13240878844² (a number of 21 digits) contains 22 as substring.

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, 249477 + ... + 297859.

It is an arithmetic number, because the mean of its divisors is an integer number (997097472).

Almost surely, 2^13240878844 is an apocalyptic number.

It is an amenable number.

13240878844 is a deficient number, since it is larger than the sum of its proper divisors (10689460484).

13240878844 is a wasteful number, since it uses less digits than its factorization.

13240878844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50625 (or 50623 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 13240878844 in words is "thirteen billion, two hundred forty million, eight hundred seventy-eight thousand, eight hundred forty-four".