12453305240 has 16 divisors (see below), whose sum is σ = 28019936880. Its totient is φ = 4981322080.

The previous prime is 12453305201. The next prime is 12453305257. The reversal of 12453305240 is 4250335421.

It is a happy number.

12453305240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12453305240² (a number of 21 digits) contains 22 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155666276 + ... + 155666355.

It is an arithmetic number, because the mean of its divisors is an integer number (1751246055).

Almost surely, 2^12453305240 is an apocalyptic number.

12453305240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12453305240 is an abundant number, since it is smaller than the sum of its proper divisors (15566631640).

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

12453305240 is a wasteful number, since it uses less digits than its factorization.

12453305240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311332642 (or 311332638 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 12453305240 in words is "twelve billion, four hundred fifty-three million, three hundred five thousand, two hundred forty".