442858370 has 16 divisors (see below), whose sum is σ = 797811768. Its totient is φ = 176995200.

The previous prime is 442858363. The next prime is 442858373. The reversal of 442858370 is 73858244.

It can be written as a sum of positive squares in 4 ways, for example, as 341030089 + 101828281 = 18467^2 + 10091^2 .

It is a super-2 number, since 2×442858370² = 392247071758113800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442858373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 30270.

Almost surely, 2^442858370 is an apocalyptic number.

442858370 is a deficient number, since it is larger than the sum of its proper divisors (354953398).

442858370 is a wasteful number, since it uses less digits than its factorization.

442858370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37045.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 442858370 is about 21044.2003887057. The cubic root of 442858370 is about 762.2339453397.

The spelling of 442858370 in words is "four hundred forty-two million, eight hundred fifty-eight thousand, three hundred seventy".