442424244 has 48 divisors (see below), whose sum is σ = 1078257600. Its totient is φ = 141048576.

The previous prime is 442424237. The next prime is 442424287.

442424244 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17752 + ... + 34640.

It is an arithmetic number, because the mean of its divisors is an integer number (22463700).

Almost surely, 2^442424244 is an apocalyptic number.

It is an amenable number.

442424244 is an abundant number, since it is smaller than the sum of its proper divisors (635833356).

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

442424244 is a wasteful number, since it uses less digits than its factorization.

442424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992 (or 16990 counting only the distinct ones).

The product of its digits is 32768, while the sum is 30.

The square root of 442424244 is about 21033.8832363404. The cubic root of 442424244 is about 761.9847958885.

The spelling of 442424244 in words is "four hundred forty-two million, four hundred twenty-four thousand, two hundred forty-four".