13994466266880 has 504 divisors, whose sum is σ = 54827700726960. Its totient is φ = 3392595394560.

The previous prime is 13994466266843. The next prime is 13994466266897. The reversal of 13994466266880 is 8866266449931.

13994466266880 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 4 + 466 + 26 + 68 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 13994466266799 and 13994466266808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 9582616 + ... + 10946024.

It is an arithmetic number, because the mean of its divisors is an integer number (108785120490).

Almost surely, 2^{13994466266880} is an apocalyptic number.

13994466266880 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 13994466266880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27413850363480).

13994466266880 is an abundant number, since it is smaller than the sum of its proper divisors (40833234460080).

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

13994466266880 is an equidigital number, since it uses as much as digits as its factorization.

13994466266880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363459 (or 1363430 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 72.

The spelling of 13994466266880 in words is "thirteen trillion, nine hundred ninety-four billion, four hundred sixty-six million, two hundred sixty-six thousand, eight hundred eighty".