445272384 has 56 divisors (see below), whose sum is σ = 1182063168. Its totient is φ = 147927040.

The previous prime is 445272383. The next prime is 445272397. The reversal of 445272384 is 483272544.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445272383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55984 + ... + 63440.

Almost surely, 2^445272384 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 445272384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591031584).

445272384 is an abundant number, since it is smaller than the sum of its proper divisors (736790784).

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

445272384 is a wasteful number, since it uses less digits than its factorization.

445272384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783 (or 7773 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 445272384 is about 21101.4782420569. The cubic root of 445272384 is about 763.6164115175.

The spelling of 445272384 in words is "four hundred forty-five million, two hundred seventy-two thousand, three hundred eighty-four".