15549941408 has 48 divisors (see below), whose sum is σ = 31109339520. Its totient is φ = 7649680896.

The previous prime is 15549941387. The next prime is 15549941437. The reversal of 15549941408 is 80414994551.

It is a happy number.

15549941408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970841 + ... + 986727.

It is an arithmetic number, because the mean of its divisors is an integer number (648111240).

Almost surely, 2^15549941408 is an apocalyptic number.

It is an amenable number.

15549941408 is an abundant number, since it is smaller than the sum of its proper divisors (15559398112).

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

15549941408 is a wasteful number, since it uses less digits than its factorization.

15549941408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16389 (or 16381 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 15549941408 in words is "fifteen billion, five hundred forty-nine million, nine hundred forty-one thousand, four hundred eight".