442441770 has 32 divisors (see below), whose sum is σ = 1062476352. Its totient is φ = 117916032.

The previous prime is 442441763. The next prime is 442441781. The reversal of 442441770 is 77144244.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 68709 + ... + 74871.

It is an arithmetic number, because the mean of its divisors is an integer number (33202386).

Almost surely, 2^442441770 is an apocalyptic number.

442441770 is an abundant number, since it is smaller than the sum of its proper divisors (620034582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442441770 is a wasteful number, since it uses less digits than its factorization.

442441770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 442441770 is about 21034.2998457282. The cubic root of 442441770 is about 761.9948573995.

It can be divided in two parts, 442441 and 770, that added together give a triangular number (443211 = T₉₄₁).

The spelling of 442441770 in words is "four hundred forty-two million, four hundred forty-one thousand, seven hundred seventy".