13266823950 has 120 divisors (see below), whose sum is σ = 37646956512. Its totient is φ = 3462497280.

The previous prime is 13266823907. The next prime is 13266823961. The reversal of 13266823950 is 5932866231.

13266823950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 13266823896 and 13266823905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 155502 + ... + 225198.

Almost surely, 2^13266823950 is an apocalyptic number.

13266823950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13266823950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18823478256).

13266823950 is an abundant number, since it is smaller than the sum of its proper divisors (24380132562).

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

13266823950 is a wasteful number, since it uses less digits than its factorization.

13266823950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69768 (or 69754 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 13266823950 in words is "thirteen billion, two hundred sixty-six million, eight hundred twenty-three thousand, nine hundred fifty".