445448612 has 48 divisors (see below), whose sum is σ = 915600000. Its totient is φ = 189538272.

The previous prime is 445448611. The next prime is 445448651. The reversal of 445448612 is 216844544.

It is not an unprimeable number, because it can be changed into a prime (445448611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203339 + ... + 205517.

It is an arithmetic number, because the mean of its divisors is an integer number (19075000).

Almost surely, 2^445448612 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 445448612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457800000).

445448612 is an abundant number, since it is smaller than the sum of its proper divisors (470151388).

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

445448612 is a wasteful number, since it uses less digits than its factorization.

445448612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2337 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

The square root of 445448612 is about 21105.6535553865. The cubic root of 445448612 is about 763.7171385095.

The spelling of 445448612 in words is "four hundred forty-five million, four hundred forty-eight thousand, six hundred twelve".