442368836 has 24 divisors (see below), whose sum is σ = 952795200. Its totient is φ = 175002912.

The previous prime is 442368833. The next prime is 442368851. The reversal of 442368836 is 638863244.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (442368833) 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, 607286 + ... + 608013.

It is an arithmetic number, because the mean of its divisors is an integer number (39699800).

Almost surely, 2^442368836 is an apocalyptic number.

It is an amenable number.

442368836 is an abundant number, since it is smaller than the sum of its proper divisors (510426364).

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

442368836 is a wasteful number, since it uses less digits than its factorization.

442368836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215323 (or 1215321 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 442368836 is about 21032.5660821498. The cubic root of 442368836 is about 761.9529849312.

The spelling of 442368836 in words is "four hundred forty-two million, three hundred sixty-eight thousand, eight hundred thirty-six".