13863317215440 has 320 divisors, whose sum is σ = 54380539422720. Its totient is φ = 2837693675520.

The previous prime is 13863317215427. The next prime is 13863317215471. The reversal of 13863317215440 is 4451271336831.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13863317215440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4360195 + ... + 6836514.

It is an arithmetic number, because the mean of its divisors is an integer number (169939185696).

Almost surely, 2^{13863317215440} is an apocalyptic number.

13863317215440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13863317215440 is an abundant number, since it is smaller than the sum of its proper divisors (40517222207280).

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

13863317215440 is a wasteful number, since it uses less digits than its factorization.

13863317215440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11196810 (or 11196804 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 13863317215440 in words is "thirteen trillion, eight hundred sixty-three billion, three hundred seventeen million, two hundred fifteen thousand, four hundred forty".