844844040408 has 32 divisors (see below), whose sum is σ = 2112211791360. Its totient is φ = 281601121440.

The previous prime is 844844040367. The next prime is 844844040431. The reversal of 844844040408 is 804040448448.

It is a super-3 number, since 3×844844040408³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332160 + ... + 1341647.

It is an arithmetic number, because the mean of its divisors is an integer number (66006618480).

Almost surely, 2^844844040408 is an apocalyptic number.

It is an amenable number.

844844040408 is an abundant number, since it is smaller than the sum of its proper divisors (1267367750952).

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

844844040408 is a wasteful number, since it uses less digits than its factorization.

844844040408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694847 (or 1694843 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 48.

It can be divided in two parts, 8448440 and 40408, that added together give a palindrome (8488848).

The spelling of 844844040408 in words is "eight hundred forty-four billion, eight hundred forty-four million, forty thousand, four hundred eight".