13850820992 has 128 divisors (see below), whose sum is σ = 29809296000. Its totient is φ = 6387204096.

The previous prime is 13850820959. The next prime is 13850821021. The reversal of 13850820992 is 29902805831.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33864884 + ... + 33865292.

It is an arithmetic number, because the mean of its divisors is an integer number (232885125).

Almost surely, 2^13850820992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13850820992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14904648000).

13850820992 is an abundant number, since it is smaller than the sum of its proper divisors (15958475008).

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

13850820992 is a wasteful number, since it uses less digits than its factorization.

13850820992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 13850820992 in words is "thirteen billion, eight hundred fifty million, eight hundred twenty thousand, nine hundred ninety-two".