442424030 has 32 divisors (see below), whose sum is σ = 825679008. Its totient is φ = 170560000.

The previous prime is 442424027. The next prime is 442424051. The reversal of 442424030 is 30424244.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442423987 and 442424005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27530 + ... + 40530.

It is an arithmetic number, because the mean of its divisors is an integer number (25802469).

Almost surely, 2^442424030 is an apocalyptic number.

442424030 is a deficient number, since it is larger than the sum of its proper divisors (383254978).

442424030 is a wasteful number, since it uses less digits than its factorization.

442424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442424030 is about 21033.8781493095. The cubic root of 442424030 is about 761.9846730314.

Adding to 442424030 its reverse (30424244), we get a palindrome (472848274).

The spelling of 442424030 in words is "four hundred forty-two million, four hundred twenty-four thousand, thirty".