442488628 has 24 divisors (see below), whose sum is σ = 813943872. Its totient is φ = 210074304.

The previous prime is 442488611. The next prime is 442488659. The reversal of 442488628 is 826884244.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 4950 + ... + 30157.

It is an arithmetic number, because the mean of its divisors is an integer number (33914328).

Almost surely, 2^442488628 is an apocalyptic number.

It is an amenable number.

442488628 is a deficient number, since it is larger than the sum of its proper divisors (371455244).

442488628 is a wasteful number, since it uses less digits than its factorization.

442488628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35271 (or 35269 counting only the distinct ones).

The product of its digits is 786432, while the sum is 46.

The square root of 442488628 is about 21035.4136636292. The cubic root of 442488628 is about 762.0217568297.

The spelling of 442488628 in words is "four hundred forty-two million, four hundred eighty-eight thousand, six hundred twenty-eight".