442356234 has 16 divisors (see below), whose sum is σ = 895912320. Its totient is φ = 145585440.

The previous prime is 442356221. The next prime is 442356251. The reversal of 442356234 is 432653244.

It is a junction number, because it is equal to n+sod(n) for n = 442356195 and 442356204.

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, 466147 + ... + 467094.

It is an arithmetic number, because the mean of its divisors is an integer number (55994520).

Almost surely, 2^442356234 is an apocalyptic number.

442356234 is an abundant number, since it is smaller than the sum of its proper divisors (453556086).

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

442356234 is a wasteful number, since it uses less digits than its factorization.

442356234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933325.

The product of its digits is 69120, while the sum is 33.

The square root of 442356234 is about 21032.2664969803. The cubic root of 442356234 is about 761.9457494737.

The spelling of 442356234 in words is "four hundred forty-two million, three hundred fifty-six thousand, two hundred thirty-four".