20141449218 has 54 divisors (see below), whose sum is σ = 47983500201. Its totient is φ = 6101462400.

The previous prime is 20141449183. The next prime is 20141449247. The reversal of 20141449218 is 81294414102.

20141449218 is a `hidden beast` number, since 20 + 1 + 414 + 4 + 9 + 218 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12954309489 + 7187139729 = 113817^2 + 84777^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=100353.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6621778 + ... + 6624818.

Almost surely, 2^20141449218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20141449218

20141449218 is an abundant number, since it is smaller than the sum of its proper divisors (27842050983).

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

20141449218 is an equidigital number, since it uses as much as digits as its factorization.

20141449218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

Multiplying 20141449218 by its product of nonzero digits (18432), we get a square (371247191986176 = 19267776²).

The spelling of 20141449218 in words is "twenty billion, one hundred forty-one million, four hundred forty-nine thousand, two hundred eighteen".