442354066 has 96 divisors (see below), whose sum is σ = 886550400. Its totient is φ = 164052000.

The previous prime is 442354063. The next prime is 442354103. The reversal of 442354066 is 660453244.

It is not an unprimeable number, because it can be changed into a prime (442354063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7251676 + ... + 7251736.

It is an arithmetic number, because the mean of its divisors is an integer number (9234900).

Almost surely, 2^442354066 is an apocalyptic number.

442354066 is an abundant number, since it is smaller than the sum of its proper divisors (444196334).

442354066 is a wasteful number, since it uses less digits than its factorization.

442354066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 442354066 is about 21032.2149570605. The cubic root of 442354066 is about 761.9445046993.

The spelling of 442354066 in words is "four hundred forty-two million, three hundred fifty-four thousand, sixty-six".