445041424 has 40 divisors (see below), whose sum is σ = 908881560. Its totient is φ = 210782208.

The previous prime is 445041409. The next prime is 445041431. The reversal of 445041424 is 424140544.

It can be written as a sum of positive squares in 4 ways, for example, as 41835024 + 403206400 = 6468^2 + 20080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445041392 and 445041401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15544 + ... + 33640.

It is an arithmetic number, because the mean of its divisors is an integer number (22722039).

Almost surely, 2^445041424 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 445041424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454440780).

445041424 is an abundant number, since it is smaller than the sum of its proper divisors (463840136).

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

445041424 is a wasteful number, since it uses less digits than its factorization.

445041424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187 (or 18181 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 445041424 is about 21096.0049298439. The cubic root of 445041424 is about 763.4843609984.

Adding to 445041424 its reverse (424140544), we get a palindrome (869181968).

The spelling of 445041424 in words is "four hundred forty-five million, forty-one thousand, four hundred twenty-four".