442857474 has 12 divisors (see below), whose sum is σ = 959524566. Its totient is φ = 147619152.

The previous prime is 442857431. The next prime is 442857511. The reversal of 442857474 is 474758244.

442857474 is a `hidden beast` number, since 4 + 4 + 2 + 8 + 574 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 147258225 = 17193^2 + 12135^2 .

It is a super-2 number, since 2×442857474² = 392245484555321352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12301579 + ... + 12301614.

Almost surely, 2^442857474 is an apocalyptic number.

442857474 is an abundant number, since it is smaller than the sum of its proper divisors (516667092).

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

442857474 is a wasteful number, since it uses less digits than its factorization.

442857474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24603201 (or 24603198 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 45.

The square root of 442857474 is about 21044.1791001692. The cubic root of 442857474 is about 762.2334312836.

The spelling of 442857474 in words is "four hundred forty-two million, eight hundred fifty-seven thousand, four hundred seventy-four".