445448650 has 24 divisors (see below), whose sum is σ = 834595020. Its totient is φ = 176876160.

The previous prime is 445448611. The next prime is 445448651. The reversal of 445448650 is 56844544.

It can be written as a sum of positive squares in 6 ways, for example, as 343620369 + 101828281 = 18537^2 + 10091^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (445448651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25665 + ... + 39364.

Almost surely, 2^445448650 is an apocalyptic number.

445448650 is a deficient number, since it is larger than the sum of its proper divisors (389146370).

445448650 is a wasteful number, since it uses less digits than its factorization.

445448650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65178 (or 65173 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The square root of 445448650 is about 21105.6544556192. The cubic root of 445448650 is about 763.7171602263.

The spelling of 445448650 in words is "four hundred forty-five million, four hundred forty-eight thousand, six hundred fifty".