13985502340 has 24 divisors (see below), whose sum is σ = 29375640000. Its totient is φ = 5593041888.

The previous prime is 13985502263. The next prime is 13985502373. The reversal of 13985502340 is 4320558931.

It is a junction number, because it is equal to n+sod(n) for n = 13985502293 and 13985502302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30039 + ... + 169921.

It is an arithmetic number, because the mean of its divisors is an integer number (1223985000).

Almost surely, 2^13985502340 is an apocalyptic number.

13985502340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13985502340 is an abundant number, since it is smaller than the sum of its proper divisors (15390137660).

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

13985502340 is a wasteful number, since it uses less digits than its factorization.

13985502340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144891 (or 144889 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 13985502340 in words is "thirteen billion, nine hundred eighty-five million, five hundred two thousand, three hundred forty".