442665050 has 24 divisors (see below), whose sum is σ = 826912476. Its totient is φ = 176301440.

The previous prime is 442665037. The next prime is 442665053. The reversal of 442665050 is 50566244.

It can be written as a sum of positive squares in 6 ways, for example, as 218773681 + 223891369 = 14791^2 + 14963^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442664998 and 442665016.

It is not an unprimeable number, because it can be changed into a prime (442665053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7349 + ... + 30648.

Almost surely, 2^442665050 is an apocalyptic number.

442665050 is a deficient number, since it is larger than the sum of its proper divisors (384247426).

442665050 is a wasteful number, since it uses less digits than its factorization.

442665050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38242 (or 38237 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 442665050 is about 21039.6066978449. The cubic root of 442665050 is about 762.1230170889.

The spelling of 442665050 in words is "four hundred forty-two million, six hundred sixty-five thousand, fifty".