12418452963840 has 1280 divisors, whose sum is σ = 50942592036864. Its totient is φ = 2506063872000.

The previous prime is 12418452963827. The next prime is 12418452963853. The reversal of 12418452963840 is 4836925481421.

It is an interprime number because it is at equal distance from previous prime (12418452963827) and next prime (12418452963853).

It is a tau number, because it is divible by the number of its divisors (1280).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3165548119 + ... + 3165552041.

Almost surely, 2^{12418452963840} is an apocalyptic number.

12418452963840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12418452963840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25471296018432).

12418452963840 is an abundant number, since it is smaller than the sum of its proper divisors (38524139073024).

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

12418452963840 is a wasteful number, since it uses less digits than its factorization.

12418452963840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 12418452963840 in words is "twelve trillion, four hundred eighteen billion, four hundred fifty-two million, nine hundred sixty-three thousand, eight hundred forty".