442352253244 has 24 divisors (see below), whose sum is σ = 871732302336. Its totient is φ = 194583102000.

The previous prime is 442352253139. The next prime is 442352253247.

442352253244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442352253197 and 442352253206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442352253247) 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, 162151222 + ... + 162153949.

It is an arithmetic number, because the mean of its divisors is an integer number (36322179264).

Almost surely, 2^442352253244 is an apocalyptic number.

442352253244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442352253244 is a deficient number, since it is larger than the sum of its proper divisors (429380049092).

442352253244 is a wasteful number, since it uses less digits than its factorization.

442352253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324305217 (or 324305215 counting only the distinct ones).

The product of its digits is 921600, while the sum is 40.

It can be divided in two parts, 442352 and 253244, that added together give a palindrome (695596).

The spelling of 442352253244 in words is "four hundred forty-two billion, three hundred fifty-two million, two hundred fifty-three thousand, two hundred forty-four".