442424241 has 16 divisors (see below), whose sum is σ = 749078400. Its totient is φ = 252813744.

The previous prime is 442424237. The next prime is 442424287. The reversal of 442424241 is 142424244.

It is not a de Polignac number, because 442424241 - 2² = 442424237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442424221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170246 + ... + 1170623.

It is an arithmetic number, because the mean of its divisors is an integer number (46817400).

Almost surely, 2^442424241 is an apocalyptic number.

It is an amenable number.

442424241 is a deficient number, since it is larger than the sum of its proper divisors (306654159).

442424241 is a wasteful number, since it uses less digits than its factorization.

442424241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340885 (or 2340879 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 442424241 is about 21033.8831650269. The cubic root of 442424241 is about 761.9847941662.

Adding to 442424241 its reverse (142424244), we get a palindrome (584848485).

The spelling of 442424241 in words is "four hundred forty-two million, four hundred twenty-four thousand, two hundred forty-one".