449166339180 has 192 divisors, whose sum is σ = 1511534062080. Its totient is φ = 110076565248.

The previous prime is 449166339173. The next prime is 449166339221. The reversal of 449166339180 is 81933661944.

449166339180 is a `hidden beast` number, since 4 + 491 + 6 + 63 + 3 + 91 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1452607 + ... + 1734473.

It is an arithmetic number, because the mean of its divisors is an integer number (7872573240).

Almost surely, 2^449166339180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449166339180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755767031040).

449166339180 is an abundant number, since it is smaller than the sum of its proper divisors (1062367722900).

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

449166339180 is a wasteful number, since it uses less digits than its factorization.

449166339180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282125 (or 282117 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 449166339180 in words is "four hundred forty-nine billion, one hundred sixty-six million, three hundred thirty-nine thousand, one hundred eighty".