844382673242 has 4 divisors (see below), whose sum is σ = 1266574009866. Its totient is φ = 422191336620.

The previous prime is 844382673217. The next prime is 844382673257. The reversal of 844382673242 is 242376283448.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 503874245281 + 340508427961 = 709841^2 + 583531^2 .

It is a super-4 number, since 4×844382673242⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211095668309 + ... + 211095668312.

Almost surely, 2^844382673242 is an apocalyptic number.

844382673242 is a deficient number, since it is larger than the sum of its proper divisors (422191336624).

844382673242 is a wasteful number, since it uses less digits than its factorization.

844382673242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422191336623.

The product of its digits is 12386304, while the sum is 53.

The spelling of 844382673242 in words is "eight hundred forty-four billion, three hundred eighty-two million, six hundred seventy-three thousand, two hundred forty-two".