442161244 has 24 divisors (see below), whose sum is σ = 886652928. Its totient is φ = 188998320.

The previous prime is 442161221. The next prime is 442161253.

442161244 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9892 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (36943872).

Almost surely, 2^442161244 is an apocalyptic number.

It is an amenable number.

442161244 is an abundant number, since it is smaller than the sum of its proper divisors (444491684).

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

442161244 is a wasteful number, since it uses less digits than its factorization.

442161244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41625 (or 41623 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 442161244 is about 21027.6304894299. The cubic root of 442161244 is about 761.8337781516.

The spelling of 442161244 in words is "four hundred forty-two million, one hundred sixty-one thousand, two hundred forty-four".