12324545040 has 80 divisors (see below), whose sum is σ = 38227124736. Its totient is φ = 3284736000.

The previous prime is 12324545033. The next prime is 12324545083. The reversal of 12324545040 is 4054542321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12324544989 and 12324545007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455080 + ... + 481400.

Almost surely, 2^12324545040 is an apocalyptic number.

12324545040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324545040 is an abundant number, since it is smaller than the sum of its proper divisors (25902579696).

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

12324545040 is a wasteful number, since it uses less digits than its factorization.

12324545040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28288 (or 28282 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 12324545040 in words is "twelve billion, three hundred twenty-four million, five hundred forty-five thousand, forty".