13840009418 has 16 divisors (see below), whose sum is σ = 20846681856. Its totient is φ = 6891158640.

The previous prime is 13840009399. The next prime is 13840009439. The reversal of 13840009418 is 81490004831.

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, 675980 + ... + 696152.

It is an arithmetic number, because the mean of its divisors is an integer number (1302917616).

Almost surely, 2^13840009418 is an apocalyptic number.

13840009418 is a deficient number, since it is larger than the sum of its proper divisors (7006672438).

13840009418 is a wasteful number, since it uses less digits than its factorization.

13840009418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 13840009418 in words is "thirteen billion, eight hundred forty million, nine thousand, four hundred eighteen".