445140650 has 24 divisors (see below), whose sum is σ = 831134304. Its totient is φ = 177374000.

The previous prime is 445140623. The next prime is 445140653. The reversal of 445140650 is 56041544.

It is not an unprimeable number, because it can be changed into a prime (445140653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3776 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (34630596).

Almost surely, 2^445140650 is an apocalyptic number.

445140650 is a deficient number, since it is larger than the sum of its proper divisors (385993654).

445140650 is a wasteful number, since it uses less digits than its factorization.

445140650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34126 (or 34121 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 445140650 is about 21098.3565710697. The cubic root of 445140650 is about 763.5410986903.

The spelling of 445140650 in words is "four hundred forty-five million, one hundred forty thousand, six hundred fifty".