442568488 has 16 divisors (see below), whose sum is σ = 830354580. Its totient is φ = 221140608.

The previous prime is 442568459. The next prime is 442568509. The reversal of 442568488 is 884865244.

It can be written as a sum of positive squares in 2 ways, for example, as 392753124 + 49815364 = 19818^2 + 7058^2 .

It is a super-2 number, since 2×442568488² = 391733733141212288, 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, 4245 + ... + 30052.

Almost surely, 2^442568488 is an apocalyptic number.

It is an amenable number.

442568488 is a deficient number, since it is larger than the sum of its proper divisors (387786092).

442568488 is a wasteful number, since it uses less digits than its factorization.

442568488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35916 (or 35912 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 49.

The square root of 442568488 is about 21037.3118054565. The cubic root of 442568488 is about 762.0675971014.

The spelling of 442568488 in words is "four hundred forty-two million, five hundred sixty-eight thousand, four hundred eighty-eight".