442419025 has 6 divisors (see below), whose sum is σ = 548599622. Its totient is φ = 353935200.

The previous prime is 442419017. The next prime is 442419059. The reversal of 442419025 is 520914244.

It can be written as a sum of positive squares in 3 ways, for example, as 3055504 + 439363521 = 1748^2 + 20961^2 .

It is not a de Polignac number, because 442419025 - 2³ = 442419017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8848356 + ... + 8848405.

Almost surely, 2^442419025 is an apocalyptic number.

It is an amenable number.

442419025 is a deficient number, since it is larger than the sum of its proper divisors (106180597).

442419025 is a wasteful number, since it uses less digits than its factorization.

442419025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696771 (or 17696766 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 442419025 is about 21033.7591742418. The cubic root of 442419025 is about 761.9817996585.

The spelling of 442419025 in words is "four hundred forty-two million, four hundred nineteen thousand, twenty-five".