442076305 has 8 divisors (see below), whose sum is σ = 578718144. Its totient is φ = 321510000.

The previous prime is 442076291. The next prime is 442076351. The reversal of 442076305 is 503670244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442076305 - 2⁵ = 442076273 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 4018821 + ... + 4018930.

It is an arithmetic number, because the mean of its divisors is an integer number (72339768).

Almost surely, 2^442076305 is an apocalyptic number.

It is an amenable number.

442076305 is a deficient number, since it is larger than the sum of its proper divisors (136641839).

442076305 is a wasteful number, since it uses less digits than its factorization.

442076305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037767.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 442076305 is about 21025.6106926767. The cubic root of 442076305 is about 761.7849923717.

The spelling of 442076305 in words is "four hundred forty-two million, seventy-six thousand, three hundred five".