442443650 has 24 divisors (see below), whose sum is σ = 897759504. Its totient is φ = 160888400.

The previous prime is 442443647. The next prime is 442443667. The reversal of 442443650 is 56344244.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401672 + ... + 402771.

It is an arithmetic number, because the mean of its divisors is an integer number (37406646).

Almost surely, 2^442443650 is an apocalyptic number.

442443650 is an abundant number, since it is smaller than the sum of its proper divisors (455315854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442443650 is a wasteful number, since it uses less digits than its factorization.

442443650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804466 (or 804461 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 442443650 is about 21034.3445345939. The cubic root of 442443650 is about 761.9959366739.

Adding to 442443650 its reverse (56344244), we get a palindrome (498787894).

The spelling of 442443650 in words is "four hundred forty-two million, four hundred forty-three thousand, six hundred fifty".