446972080 has 80 divisors (see below), whose sum is σ = 1057146624. Its totient is φ = 175737600.

The previous prime is 446972059. The next prime is 446972081. The reversal of 446972080 is 80279644.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (446972081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968927 + ... + 1969153.

Almost surely, 2^446972080 is an apocalyptic number.

446972080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 446972080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528573312).

446972080 is an abundant number, since it is smaller than the sum of its proper divisors (610174544).

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

446972080 is a wasteful number, since it uses less digits than its factorization.

446972080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 446972080 is about 21141.7142162125. The cubic root of 446972080 is about 764.5868046445.

The spelling of 446972080 in words is "four hundred forty-six million, nine hundred seventy-two thousand, eighty".