442021035 has 24 divisors (see below), whose sum is σ = 746424720. Its totient is φ = 223334208.

The previous prime is 442021031. The next prime is 442021049. The reversal of 442021035 is 530120244.

It is not a de Polignac number, because 442021035 - 2² = 442021031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442021031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35400 + ... + 46229.

It is an arithmetic number, because the mean of its divisors is an integer number (31101030).

Almost surely, 2^442021035 is an apocalyptic number.

442021035 is a deficient number, since it is larger than the sum of its proper divisors (304403685).

442021035 is a wasteful number, since it uses less digits than its factorization.

442021035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81675 (or 81656 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 442021035 is about 21024.2963021358. The cubic root of 442021035 is about 761.7532439980.

Adding to 442021035 its reverse (530120244), we get a palindrome (972141279).

The spelling of 442021035 in words is "four hundred forty-two million, twenty-one thousand, thirty-five".