442112450 has 36 divisors (see below), whose sum is σ = 890468118. Its totient is φ = 163238400.

The previous prime is 442112423. The next prime is 442112467. The reversal of 442112450 is 54211244.

It can be written as a sum of positive squares in 9 ways, for example, as 27867841 + 414244609 = 5279^2 + 20353^2 .

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 17 ways as a sum of consecutive naturals, for example, 17711 + ... + 34610.

Almost surely, 2^442112450 is an apocalyptic number.

442112450 is an abundant number, since it is smaller than the sum of its proper divisors (448355668).

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

442112450 is a wasteful number, since it uses less digits than its factorization.

442112450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52359 (or 52341 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 442112450 is about 21026.4702220796. The cubic root of 442112450 is about 761.8057534695.

Adding to 442112450 its reverse (54211244), we get a palindrome (496323694).

The spelling of 442112450 in words is "four hundred forty-two million, one hundred twelve thousand, four hundred fifty".