442867146886 has 8 divisors (see below), whose sum is σ = 670509138600. Its totient is φ = 219364100688.

The previous prime is 442867146853. The next prime is 442867146893. The reversal of 442867146886 is 688641768244.

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

It is a super-2 number, since 2×442867146886² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034736111 + ... + 1034736538.

It is an arithmetic number, because the mean of its divisors is an integer number (83813642325).

Almost surely, 2^442867146886 is an apocalyptic number.

442867146886 is a deficient number, since it is larger than the sum of its proper divisors (227641991714).

442867146886 is a wasteful number, since it uses less digits than its factorization.

442867146886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069472758.

The product of its digits is 99090432, while the sum is 64.

The spelling of 442867146886 in words is "four hundred forty-two billion, eight hundred sixty-seven million, one hundred forty-six thousand, eight hundred eighty-six".