446045980 has 48 divisors (see below), whose sum is σ = 987549696. Its totient is φ = 168978240.

The previous prime is 446045947. The next prime is 446046023. The reversal of 446045980 is 89540644.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21487 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (20573952).

Almost surely, 2^446045980 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 446045980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493774848).

446045980 is an abundant number, since it is smaller than the sum of its proper divisors (541503716).

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

446045980 is a wasteful number, since it uses less digits than its factorization.

446045980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394 (or 15392 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 446045980 is about 21119.8006619381. The cubic root of 446045980 is about 764.0583798120.

The spelling of 446045980 in words is "four hundred forty-six million, forty-five thousand, nine hundred eighty".