14664454540 has 24 divisors (see below), whose sum is σ = 32134284000. Its totient is φ = 5610747648.

The previous prime is 14664454529. The next prime is 14664454549. The reversal of 14664454540 is 4545446641.

It is a happy number.

It is a super-2 number, since 2×14664454540² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14664454549) 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, 15939165 + ... + 15940084.

It is an arithmetic number, because the mean of its divisors is an integer number (1338928500).

Almost surely, 2^14664454540 is an apocalyptic number.

14664454540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14664454540 is an abundant number, since it is smaller than the sum of its proper divisors (17469829460).

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

14664454540 is a wasteful number, since it uses less digits than its factorization.

14664454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31879281 (or 31879279 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 14664454540 in words is "fourteen billion, six hundred sixty-four million, four hundred fifty-four thousand, five hundred forty".