13437844040 has 32 divisors (see below), whose sum is σ = 31210479360. Its totient is φ = 5201745600.

The previous prime is 13437844019. The next prime is 13437844051. The reversal of 13437844040 is 4044873431.

It is a junction number, because it is equal to n+sod(n) for n = 13437843985 and 13437844003.

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, 5417246 + ... + 5419725.

It is an arithmetic number, because the mean of its divisors is an integer number (975327480).

Almost surely, 2^13437844040 is an apocalyptic number.

13437844040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13437844040 is an abundant number, since it is smaller than the sum of its proper divisors (17772635320).

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

13437844040 is a wasteful number, since it uses less digits than its factorization.

13437844040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837013 (or 10837009 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 13437844040 in words is "thirteen billion, four hundred thirty-seven million, eight hundred forty-four thousand, forty".