446128980 has 96 divisors (see below), whose sum is σ = 1399628160. Its totient is φ = 105223680.

The previous prime is 446128973. The next prime is 446129003. The reversal of 446128980 is 89821644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15286 + ... + 33554.

It is an arithmetic number, because the mean of its divisors is an integer number (14579460).

Almost surely, 2^446128980 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 446128980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699814080).

446128980 is an abundant number, since it is smaller than the sum of its proper divisors (953499180).

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

446128980 is a wasteful number, since it uses less digits than its factorization.

446128980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329 (or 18327 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 446128980 is about 21121.7655512033. The cubic root of 446128980 is about 764.1057687324.

The spelling of 446128980 in words is "four hundred forty-six million, one hundred twenty-eight thousand, nine hundred eighty".