442648088 has 8 divisors (see below), whose sum is σ = 829965180. Its totient is φ = 221324040.

The previous prime is 442648079. The next prime is 442648097. The reversal of 442648088 is 880846244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442648079) and next prime (442648097).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665498 + ... + 27665513.

Almost surely, 2^442648088 is an apocalyptic number.

It is an amenable number.

442648088 is a deficient number, since it is larger than the sum of its proper divisors (387317092).

442648088 is a wasteful number, since it uses less digits than its factorization.

442648088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55331017 (or 55331013 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 442648088 is about 21039.2035970946. The cubic root of 442648088 is about 762.1132826439.

The spelling of 442648088 in words is "four hundred forty-two million, six hundred forty-eight thousand, eighty-eight".