442740475 has 6 divisors (see below), whose sum is σ = 548998220. Its totient is φ = 354192360.

The previous prime is 442740443. The next prime is 442740479. The reversal of 442740475 is 574047244.

It is not a de Polignac number, because 442740475 - 2⁵ = 442740443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442740479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8854785 + ... + 8854834.

Almost surely, 2^442740475 is an apocalyptic number.

442740475 is a deficient number, since it is larger than the sum of its proper divisors (106257745).

442740475 is a wasteful number, since it uses less digits than its factorization.

442740475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17709629 (or 17709624 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 442740475 is about 21041.3990742061. The cubic root of 442740475 is about 762.1663002771.

The spelling of 442740475 in words is "four hundred forty-two million, seven hundred forty thousand, four hundred seventy-five".