13266453040000 has 160 divisors (see below), whose sum is σ = 33073258200840. Its totient is φ = 5298988800000.

The previous prime is 13266453039991. The next prime is 13266453040019. The reversal of 13266453040000 is 4035466231.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55961719 + ... + 56198281.

Almost surely, 2^{13266453040000} is an apocalyptic number.

13266453040000 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 13266453040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16536629100420).

13266453040000 is an abundant number, since it is smaller than the sum of its proper divisors (19806805160840).

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

13266453040000 is an frugal number, since it uses more digits than its factorization.

13266453040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237298 (or 237271 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 13266453040000 in words is "thirteen trillion, two hundred sixty-six billion, four hundred fifty-three million, forty thousand".