445250916 has 72 divisors (see below), whose sum is σ = 1236799200. Its totient is φ = 133937280.

The previous prime is 445250899. The next prime is 445250947. The reversal of 445250916 is 619052544.

445250916 is a `hidden beast` number, since 44 + 525 + 0 + 91 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51000 + ... + 59088.

Almost surely, 2^445250916 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 445250916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618399600).

445250916 is an abundant number, since it is smaller than the sum of its proper divisors (791548284).

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

445250916 is a wasteful number, since it uses less digits than its factorization.

445250916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8244 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 445250916 is about 21100.9695511841. The cubic root of 445250916 is about 763.6041391937.

The spelling of 445250916 in words is "four hundred forty-five million, two hundred fifty thousand, nine hundred sixteen".