442685354 has 8 divisors (see below), whose sum is σ = 664156260. Its totient is φ = 221299936.

The previous prime is 442685329. The next prime is 442685381. The reversal of 442685354 is 453586244.

It can be written as a sum of positive squares in 2 ways, for example, as 354757225 + 87928129 = 18835^2 + 9377^2 .

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

It is a super-2 number, since 2×442685354² = 391940645292210632, which contains 22 as substring.

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, 6299 + ... + 30414.

Almost surely, 2^442685354 is an apocalyptic number.

442685354 is a deficient number, since it is larger than the sum of its proper divisors (221470906).

442685354 is a wasteful number, since it uses less digits than its factorization.

442685354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42744.

The product of its digits is 460800, while the sum is 41.

The square root of 442685354 is about 21040.0892108375. The cubic root of 442685354 is about 762.1346691714.

The spelling of 442685354 in words is "four hundred forty-two million, six hundred eighty-five thousand, three hundred fifty-four".