442839552 has 40 divisors (see below), whose sum is σ = 1179756336. Its totient is φ = 147612672.

The previous prime is 442839547. The next prime is 442839563. The reversal of 442839552 is 255938244.

It is a super-2 number, since 2×442839552² = 392213737631121408, 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, 142618 + ... + 145689.

Almost surely, 2^442839552 is an apocalyptic number.

It is an amenable number.

442839552 is an abundant number, since it is smaller than the sum of its proper divisors (736916784).

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

442839552 is an equidigital number, since it uses as much as digits as its factorization.

442839552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288328 (or 288312 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 442839552 is about 21043.7532773980. The cubic root of 442839552 is about 762.2231488695.

It can be divided in two parts, 44283 and 9552, that added together give a palindrome (53835).

The spelling of 442839552 in words is "four hundred forty-two million, eight hundred thirty-nine thousand, five hundred fifty-two".