13836240836 has 24 divisors (see below), whose sum is σ = 26450447520. Its totient is φ = 6280675200.

The previous prime is 13836240833. The next prime is 13836240877. The reversal of 13836240836 is 63804263831.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (13836240833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180245 + ... + 245276.

It is an arithmetic number, because the mean of its divisors is an integer number (1102101980).

Almost surely, 2^13836240836 is an apocalyptic number.

It is an amenable number.

13836240836 is a deficient number, since it is larger than the sum of its proper divisors (12614206684).

13836240836 is a wasteful number, since it uses less digits than its factorization.

13836240836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426275 (or 426273 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 13836240836 in words is "thirteen billion, eight hundred thirty-six million, two hundred forty thousand, eight hundred thirty-six".