14644454418 has 48 divisors (see below), whose sum is σ = 34622617536. Its totient is φ = 4436629920.

The previous prime is 14644454417. The next prime is 14644454491. The reversal of 14644454418 is 81445444641.

14644454418 is a `hidden beast` number, since 1 + 4 + 64 + 44 + 544 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (14644454417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1236955 + ... + 1248737.

It is an arithmetic number, because the mean of its divisors is an integer number (721304532).

Almost surely, 2^14644454418 is an apocalyptic number.

14644454418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14644454418 is an abundant number, since it is smaller than the sum of its proper divisors (19978163118).

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

14644454418 is a wasteful number, since it uses less digits than its factorization.

14644454418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079 (or 18076 counting only the distinct ones).

The product of its digits is 983040, while the sum is 45.

The spelling of 14644454418 in words is "fourteen billion, six hundred forty-four million, four hundred fifty-four thousand, four hundred eighteen".