14564402671818 has 32 divisors (see below), whose sum is σ = 29642301021312. Its totient is φ = 4769411688000.

The previous prime is 14564402671739. The next prime is 14564402671829. The reversal of 14564402671818 is 81817620446541.

It is a happy number.

It is a super-2 number, since 2×14564402671818² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23874633 + ... + 24477068.

It is an arithmetic number, because the mean of its divisors is an integer number (926321906916).

Almost surely, 2^{14564402671818} is an apocalyptic number.

14564402671818 is an abundant number, since it is smaller than the sum of its proper divisors (15077898349494).

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

14564402671818 is a wasteful number, since it uses less digits than its factorization.

14564402671818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48352590.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 14564402671818 in words is "fourteen trillion, five hundred sixty-four billion, four hundred two million, six hundred seventy-one thousand, eight hundred eighteen".