12327853440 has 128 divisors (see below), whose sum is σ = 44908657920. Its totient is φ = 2817792000.

The previous prime is 12327853393. The next prime is 12327853451. The reversal of 12327853440 is 4435872321.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×12327853440³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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, 445186 + ... + 472065.

It is an arithmetic number, because the mean of its divisors is an integer number (350848890).

Almost surely, 2^12327853440 is an apocalyptic number.

12327853440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12327853440 is an abundant number, since it is smaller than the sum of its proper divisors (32580804480).

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

12327853440 is an equidigital number, since it uses as much as digits as its factorization.

12327853440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917280 (or 917268 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 12327853440 in words is "twelve billion, three hundred twenty-seven million, eight hundred fifty-three thousand, four hundred forty".