13942666420 has 24 divisors (see below), whose sum is σ = 29775866400. Its totient is φ = 5482539552.

The previous prime is 13942666363. The next prime is 13942666459. The reversal of 13942666420 is 2466624931.

It is a happy number.

13942666420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5906730 + ... + 5909089.

It is an arithmetic number, because the mean of its divisors is an integer number (1240661100).

Almost surely, 2^13942666420 is an apocalyptic number.

13942666420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13942666420 is an abundant number, since it is smaller than the sum of its proper divisors (15833199980).

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

13942666420 is a wasteful number, since it uses less digits than its factorization.

13942666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815887 (or 11815885 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 13942666420 in words is "thirteen billion, nine hundred forty-two million, six hundred sixty-six thousand, four hundred twenty".