442063232 has 64 divisors (see below), whose sum is σ = 957216960. Its totient is φ = 202137600.

The previous prime is 442063231. The next prime is 442063249. The reversal of 442063232 is 232360244.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442063231) 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, 186857 + ... + 189207.

It is an arithmetic number, because the mean of its divisors is an integer number (14956515).

Almost surely, 2^442063232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442063232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478608480).

442063232 is an abundant number, since it is smaller than the sum of its proper divisors (515153728).

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

442063232 is a wasteful number, since it uses less digits than its factorization.

442063232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 442063232 is about 21025.2998076127. The cubic root of 442063232 is about 761.7774831754. Note that the first 3 decimals are identical.

The spelling of 442063232 in words is "four hundred forty-two million, sixty-three thousand, two hundred thirty-two".