13044554412 has 24 divisors (see below), whose sum is σ = 30483499200. Its totient is φ = 4341584016.

The previous prime is 13044554389. The next prime is 13044554423. The reversal of 13044554412 is 21445544031.

It is a happy 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, 816862 + ... + 832677.

It is an arithmetic number, because the mean of its divisors is an integer number (1270145800).

Almost surely, 2^13044554412 is an apocalyptic number.

13044554412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13044554412 is an abundant number, since it is smaller than the sum of its proper divisors (17438944788).

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

13044554412 is a wasteful number, since it uses less digits than its factorization.

13044554412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650205 (or 1650203 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 13044554412 in words is "thirteen billion, forty-four million, five hundred fifty-four thousand, four hundred twelve".