442422042 has 16 divisors (see below), whose sum is σ = 936893952. Its totient is φ = 138799040.

The previous prime is 442422037. The next prime is 442422073. The reversal of 442422042 is 240224244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168634 + ... + 2168837.

It is an arithmetic number, because the mean of its divisors is an integer number (58555872).

Almost surely, 2^442422042 is an apocalyptic number.

442422042 is an abundant number, since it is smaller than the sum of its proper divisors (494471910).

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

442422042 is a wasteful number, since it uses less digits than its factorization.

442422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337493.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 442422042 is about 21033.8308921604. The cubic root of 442422042 is about 761.9835317223.

Adding to 442422042 its reverse (240224244), we get a palindrome (682646286).

The spelling of 442422042 in words is "four hundred forty-two million, four hundred twenty-two thousand, forty-two".