442942434 has 48 divisors (see below), whose sum is σ = 1072509984. Its totient is φ = 130948800.

The previous prime is 442942403. The next prime is 442942519. The reversal of 442942434 is 434249244.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19164 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (22343958).

Almost surely, 2^442942434 is an apocalyptic number.

442942434 is an abundant number, since it is smaller than the sum of its proper divisors (629567550).

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

442942434 is a wasteful number, since it uses less digits than its factorization.

442942434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54623 (or 54620 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 442942434 is about 21046.1976138209. The cubic root of 442942434 is about 762.2821717290.

The spelling of 442942434 in words is "four hundred forty-two million, nine hundred forty-two thousand, four hundred thirty-four".