442620050 has 48 divisors (see below), whose sum is σ = 861855552. Its totient is φ = 168801600.

The previous prime is 442620047. The next prime is 442620071. The reversal of 442620050 is 50026244.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442619998 and 442620025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640205 + ... + 640895.

It is an arithmetic number, because the mean of its divisors is an integer number (17955324).

Almost surely, 2^442620050 is an apocalyptic number.

442620050 is a deficient number, since it is larger than the sum of its proper divisors (419235502).

442620050 is a wasteful number, since it uses less digits than its factorization.

442620050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 442620050 is about 21038.5372590397. The cubic root of 442620050 is about 762.0971911678.

Adding to 442620050 its reverse (50026244), we get a palindrome (492646294).

The spelling of 442620050 in words is "four hundred forty-two million, six hundred twenty thousand, fifty".