442687774 has 8 divisors (see below), whose sum is σ = 664224120. Its totient is φ = 221279736.

The previous prime is 442687741. The next prime is 442687787. The reversal of 442687774 is 477786244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22929 + ... + 37564.

It is an arithmetic number, because the mean of its divisors is an integer number (83028015).

Almost surely, 2^442687774 is an apocalyptic number.

442687774 is a deficient number, since it is larger than the sum of its proper divisors (221536346).

442687774 is a wasteful number, since it uses less digits than its factorization.

442687774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64154.

The product of its digits is 2107392, while the sum is 49.

The square root of 442687774 is about 21040.1467200208. The cubic root of 442687774 is about 762.1360579400.

The spelling of 442687774 in words is "four hundred forty-two million, six hundred eighty-seven thousand, seven hundred seventy-four".