442493068 has 12 divisors (see below), whose sum is σ = 819913752. Its totient is φ = 208232000.

The previous prime is 442493063. The next prime is 442493081. The reversal of 442493068 is 860394244.

It is a self number, because there is not a number n which added to its sum of digits gives 442493068.

It is not an unprimeable number, because it can be changed into a prime (442493063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253558 + ... + 3253693.

It is an arithmetic number, because the mean of its divisors is an integer number (68326146).

Almost surely, 2^442493068 is an apocalyptic number.

It is an amenable number.

442493068 is a deficient number, since it is larger than the sum of its proper divisors (377420684).

442493068 is a wasteful number, since it uses less digits than its factorization.

442493068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507272 (or 6507270 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 442493068 is about 21035.5191996775. The cubic root of 442493068 is about 762.0243055696.

The spelling of 442493068 in words is "four hundred forty-two million, four hundred ninety-three thousand, sixty-eight".