442423075 has 12 divisors (see below), whose sum is σ = 577479160. Its totient is φ = 335309760.

The previous prime is 442423067. The next prime is 442423109. The reversal of 442423075 is 570324244.

It is a happy number.

It is not a de Polignac number, because 442423075 - 2³ = 442423067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465234 + ... + 466183.

Almost surely, 2^442423075 is an apocalyptic number.

442423075 is a deficient number, since it is larger than the sum of its proper divisors (135056085).

442423075 is a wasteful number, since it uses less digits than its factorization.

442423075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931446 (or 931441 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 442423075 is about 21033.8554478251. The cubic root of 442423075 is about 761.9841247671.

The spelling of 442423075 in words is "four hundred forty-two million, four hundred twenty-three thousand, seventy-five".