844269401216 has 32 divisors (see below), whose sum is σ = 1682201364480. Its totient is φ = 422069843200.

The previous prime is 844269401191. The next prime is 844269401219. The reversal of 844269401216 is 612104962448.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (844269401219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335105 + ... + 1341951.

It is an arithmetic number, because the mean of its divisors is an integer number (52568792640).

Almost surely, 2^844269401216 is an apocalyptic number.

It is an amenable number.

844269401216 is a deficient number, since it is larger than the sum of its proper divisors (837931963264).

844269401216 is a wasteful number, since it uses less digits than its factorization.

844269401216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013412 (or 1013400 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 844269401216 in words is "eight hundred forty-four billion, two hundred sixty-nine million, four hundred one thousand, two hundred sixteen".