442305503244 has 72 divisors (see below), whose sum is σ = 1231090031808. Its totient is φ = 132779322720.

The previous prime is 442305503239. The next prime is 442305503279.

442305503244 is a `hidden beast` number, since 4 + 4 + 2 + 30 + 550 + 32 + 44 = 666.

442305503244 is nontrivially palindromic in base 10.

442305503244 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 442305503199 and 442305503208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5176942 + ... + 5261685.

It is an arithmetic number, because the mean of its divisors is an integer number (17098472664).

Almost surely, 2^442305503244 is an apocalyptic number.

442305503244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442305503244 is an abundant number, since it is smaller than the sum of its proper divisors (788784528564).

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

442305503244 is a wasteful number, since it uses less digits than its factorization.

442305503244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438755 (or 10438750 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

It can be divided in two parts, 442305 and 503244, that added together give a palindrome (945549).

The spelling of 442305503244 in words is "four hundred forty-two billion, three hundred five million, five hundred three thousand, two hundred forty-four".