442923088 has 10 divisors (see below), whose sum is σ = 858163514. Its totient is φ = 221461536.

The previous prime is 442923043. The next prime is 442923113. The reversal of 442923088 is 880329244.

It can be written as a sum of positive squares in only one way, i.e., 258180624 + 184742464 = 16068^2 + 13592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442923088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13841331 + ... + 13841362.

Almost surely, 2^442923088 is an apocalyptic number.

It is an amenable number.

442923088 is a deficient number, since it is larger than the sum of its proper divisors (415240426).

442923088 is a wasteful number, since it uses less digits than its factorization.

442923088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27682701 (or 27682695 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 442923088 is about 21045.7380008400. The cubic root of 442923088 is about 762.2710737288.

The spelling of 442923088 in words is "four hundred forty-two million, nine hundred twenty-three thousand, eighty-eight".