442874374 has 16 divisors (see below), whose sum is σ = 684101376. Its totient is φ = 214897600.

The previous prime is 442874351. The next prime is 442874381. The reversal of 442874374 is 473478244.

It is a happy number.

It is a super-2 number, since 2×442874374² = 392275422291783752, 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 442874374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 29800.

It is an arithmetic number, because the mean of its divisors is an integer number (42756336).

Almost surely, 2^442874374 is an apocalyptic number.

442874374 is a deficient number, since it is larger than the sum of its proper divisors (241227002).

442874374 is a wasteful number, since it uses less digits than its factorization.

442874374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28511.

The product of its digits is 602112, while the sum is 43.

The square root of 442874374 is about 21044.5806325524. The cubic root of 442874374 is about 762.2431270901.

The spelling of 442874374 in words is "four hundred forty-two million, eight hundred seventy-four thousand, three hundred seventy-four".