442699458 has 16 divisors (see below), whose sum is σ = 886559520. Its totient is φ = 147373056.

The previous prime is 442699441. The next prime is 442699501. The reversal of 442699458 is 854996244.

It is a super-2 number, since 2×442699458² = 391965620226987528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442699458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43360 + ... + 52587.

It is an arithmetic number, because the mean of its divisors is an integer number (55409970).

Almost surely, 2^442699458 is an apocalyptic number.

442699458 is an abundant number, since it is smaller than the sum of its proper divisors (443860062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442699458 is a wasteful number, since it uses less digits than its factorization.

442699458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96721.

The product of its digits is 2488320, while the sum is 51.

The square root of 442699458 is about 21040.4243778494. The cubic root of 442699458 is about 762.1427629813.

The spelling of 442699458 in words is "four hundred forty-two million, six hundred ninety-nine thousand, four hundred fifty-eight".