442533948 has 12 divisors (see below), whose sum is σ = 1032579240. Its totient is φ = 147511312.

The previous prime is 442533937. The next prime is 442533977. The reversal of 442533948 is 849335244.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18438903 + ... + 18438926.

It is an arithmetic number, because the mean of its divisors is an integer number (86048270).

Almost surely, 2^442533948 is an apocalyptic number.

It is an amenable number.

442533948 is an abundant number, since it is smaller than the sum of its proper divisors (590045292).

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

442533948 is a wasteful number, since it uses less digits than its factorization.

442533948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36877836 (or 36877834 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 442533948 is about 21036.4908670624. The cubic root of 442533948 is about 762.0477715450.

The spelling of 442533948 in words is "four hundred forty-two million, five hundred thirty-three thousand, nine hundred forty-eight".