13723939940 has 24 divisors (see below), whose sum is σ = 29749961472. Its totient is φ = 5312492640.

The previous prime is 13723939937. The next prime is 13723940039. The reversal of 13723939940 is 4993932731.

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 7 ways as a sum of consecutive naturals, for example, 11067074 + ... + 11068313.

It is an arithmetic number, because the mean of its divisors is an integer number (1239581728).

Almost surely, 2^13723939940 is an apocalyptic number.

13723939940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13723939940 is an abundant number, since it is smaller than the sum of its proper divisors (16026021532).

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

13723939940 is a wasteful number, since it uses less digits than its factorization.

13723939940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22135427 (or 22135425 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 50.

The spelling of 13723939940 in words is "thirteen billion, seven hundred twenty-three million, nine hundred thirty-nine thousand, nine hundred forty".