13850981385740 has 96 divisors (see below), whose sum is σ = 29847228364800. Its totient is φ = 5396342515200.

The previous prime is 13850981385559. The next prime is 13850981385749. The reversal of 13850981385740 is 4758318905831.

It is not an unprimeable number, because it can be changed into a prime (13850981385749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524665061 + ... + 524691459.

It is an arithmetic number, because the mean of its divisors is an integer number (310908628800).

Almost surely, 2^{13850981385740} is an apocalyptic number.

13850981385740 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 13850981385740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14923614182400).

13850981385740 is an abundant number, since it is smaller than the sum of its proper divisors (15996246979060).

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

13850981385740 is a wasteful number, since it uses less digits than its factorization.

13850981385740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28143 (or 28141 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 13850981385740 in words is "thirteen trillion, eight hundred fifty billion, nine hundred eighty-one million, three hundred eighty-five thousand, seven hundred forty".