442234144 has 24 divisors (see below), whose sum is σ = 949799088. Its totient is φ = 201015360.

The previous prime is 442234129. The next prime is 442234151. The reversal of 442234144 is 441432244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627822 + ... + 628525.

It is an arithmetic number, because the mean of its divisors is an integer number (39574962).

Almost surely, 2^442234144 is an apocalyptic number.

442234144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442234144 is an abundant number, since it is smaller than the sum of its proper divisors (507564944).

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

442234144 is a wasteful number, since it uses less digits than its factorization.

442234144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256368 (or 1256360 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 442234144 is about 21029.3638515291. The cubic root of 442234144 is about 761.8756441987.

Adding to 442234144 its reverse (441432244), we get a palindrome (883666388).

The spelling of 442234144 in words is "four hundred forty-two million, two hundred thirty-four thousand, one hundred forty-four".