442042150 has 48 divisors (see below), whose sum is σ = 917851968. Its totient is φ = 156996000.

The previous prime is 442042123. The next prime is 442042151. The reversal of 442042150 is 51240244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442042151) by changing a digit.

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, 14305 + ... + 32995.

It is an arithmetic number, because the mean of its divisors is an integer number (19121916).

Almost surely, 2^442042150 is an apocalyptic number.

442042150 is an abundant number, since it is smaller than the sum of its proper divisors (475809818).

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

442042150 is a wasteful number, since it uses less digits than its factorization.

442042150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757 (or 18752 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 442042150 is about 21024.7984532551. The cubic root of 442042150 is about 761.7653732576.

Adding to 442042150 its reverse (51240244), we get a palindrome (493282394).

The spelling of 442042150 in words is "four hundred forty-two million, forty-two thousand, one hundred fifty".