442077770 has 32 divisors (see below), whose sum is σ = 828050688. Its totient is φ = 169793728.

The previous prime is 442077761. The next prime is 442077773. The reversal of 442077770 is 77770244.

It is not an unprimeable number, because it can be changed into a prime (442077773) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16037 + ... + 33783.

It is an arithmetic number, because the mean of its divisors is an integer number (25876584).

Almost surely, 2^442077770 is an apocalyptic number.

442077770 is a deficient number, since it is larger than the sum of its proper divisors (385972918).

442077770 is a wasteful number, since it uses less digits than its factorization.

442077770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 442077770 is about 21025.6455311127. The cubic root of 442077770 is about 761.7858338658.

The spelling of 442077770 in words is "four hundred forty-two million, seventy-seven thousand, seven hundred seventy".