14540221512 has 48 divisors (see below), whose sum is σ = 41091935040. Its totient is φ = 4636012128.

The previous prime is 14540221457. The next prime is 14540221513. The reversal of 14540221512 is 21512204541.

It is a happy number.

14540221512 is a `hidden beast` number, since 1 + 45 + 402 + 215 + 1 + 2 = 666.

It is a super-2 number, since 2×14540221512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14540221513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4388508 + ... + 4391819.

It is an arithmetic number, because the mean of its divisors is an integer number (856081980).

Almost surely, 2^14540221512 is an apocalyptic number.

14540221512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14540221512 is an abundant number, since it is smaller than the sum of its proper divisors (26551713528).

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

14540221512 is a wasteful number, since it uses less digits than its factorization.

14540221512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780362 (or 8780355 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 14540221512 in words is "fourteen billion, five hundred forty million, two hundred twenty-one thousand, five hundred twelve".