445246080 has 128 divisors (see below), whose sum is σ = 1452496320. Its totient is φ = 115949568.

The previous prime is 445246069. The next prime is 445246093. The reversal of 445246080 is 80642544.

It is a tau number, because it is divible by the number of its divisors (128).

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, 79864 + ... + 85256.

Almost surely, 2^445246080 is an apocalyptic number.

445246080 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 445246080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726248160).

445246080 is an abundant number, since it is smaller than the sum of its proper divisors (1007250240).

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

445246080 is a wasteful number, since it uses less digits than its factorization.

445246080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5446 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 445246080 is about 21100.8549589821. The cubic root of 445246080 is about 763.6013746080.

The spelling of 445246080 in words is "four hundred forty-five million, two hundred forty-six thousand, eighty".