445985250 has 64 divisors (see below), whose sum is σ = 1139149440. Its totient is φ = 116155200.

The previous prime is 445985179. The next prime is 445985263. The reversal of 445985250 is 52589544.

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, 25336 + ... + 39164.

It is an arithmetic number, because the mean of its divisors is an integer number (17799210).

Almost surely, 2^445985250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445985250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569574720).

445985250 is an abundant number, since it is smaller than the sum of its proper divisors (693164190).

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

445985250 is a wasteful number, since it uses less digits than its factorization.

445985250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892 (or 13882 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 445985250 is about 21118.3628626842. The cubic root of 445985250 is about 764.0237022425.

The spelling of 445985250 in words is "four hundred forty-five million, nine hundred eighty-five thousand, two hundred fifty".