844453012 has 24 divisors (see below), whose sum is σ = 1617564872. Its totient is φ = 383356800.

The previous prime is 844453003. The next prime is 844453033. The reversal of 844453012 is 210354448.

It can be written as a sum of positive squares in 4 ways, for example, as 33570436 + 810882576 = 5794^2 + 28476^2 .

It is a super-3 number, since 3×844453012³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129939 + ... + 136282.

Almost surely, 2^844453012 is an apocalyptic number.

It is an amenable number.

844453012 is a deficient number, since it is larger than the sum of its proper divisors (773111860).

844453012 is a wasteful number, since it uses less digits than its factorization.

844453012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266299 (or 266297 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 844453012 is about 29059.4737048006. The cubic root of 844453012 is about 945.2031559342.

The spelling of 844453012 in words is "eight hundred forty-four million, four hundred fifty-three thousand, twelve".