12409936528 has 40 divisors (see below), whose sum is σ = 26266443840. Its totient is φ = 5633063040.

The previous prime is 12409936519. The next prime is 12409936529. The reversal of 12409936528 is 82563990421.

It is not an unprimeable number, because it can be changed into a prime (12409936529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79458 + ... + 176446.

It is an arithmetic number, because the mean of its divisors is an integer number (656661096).

Almost surely, 2^12409936528 is an apocalyptic number.

It is an amenable number.

12409936528 is an abundant number, since it is smaller than the sum of its proper divisors (13856507312).

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

12409936528 is a wasteful number, since it uses less digits than its factorization.

12409936528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97735 (or 97729 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 12409936528 in words is "twelve billion, four hundred nine million, nine hundred thirty-six thousand, five hundred twenty-eight".