442612006 has 4 divisors (see below), whose sum is σ = 663918012. Its totient is φ = 221306002.

The previous prime is 442611991. The next prime is 442612043. The reversal of 442612006 is 600216244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110653000 + ... + 110653003.

It is an arithmetic number, because the mean of its divisors is an integer number (165979503).

Almost surely, 2^442612006 is an apocalyptic number.

442612006 is a deficient number, since it is larger than the sum of its proper divisors (221306006).

442612006 is a wasteful number, since it uses less digits than its factorization.

442612006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221306005.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 442612006 is about 21038.3460851845. The cubic root of 442612006 is about 762.0925744565.

The spelling of 442612006 in words is "four hundred forty-two million, six hundred twelve thousand, six".