442168284 has 24 divisors (see below), whose sum is σ = 1076584320. Its totient is φ = 140981104.

The previous prime is 442168277. The next prime is 442168289. The reversal of 442168284 is 482861244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442168289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800754 + ... + 801305.

It is an arithmetic number, because the mean of its divisors is an integer number (44857680).

Almost surely, 2^442168284 is an apocalyptic number.

It is an amenable number.

442168284 is an abundant number, since it is smaller than the sum of its proper divisors (634416036).

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

442168284 is a wasteful number, since it uses less digits than its factorization.

442168284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602089 (or 1602087 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 442168284 is about 21027.7978875583. The cubic root of 442168284 is about 761.8378213834.

The spelling of 442168284 in words is "four hundred forty-two million, one hundred sixty-eight thousand, two hundred eighty-four".