14021517940 has 12 divisors (see below), whose sum is σ = 29445187716. Its totient is φ = 5608607168.

The previous prime is 14021517919. The next prime is 14021517949. The reversal of 14021517940 is 4971512041.

It can be written as a sum of positive squares in 2 ways, for example, as 4887128464 + 9134389476 = 69908^2 + 95574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14021517896 and 14021517905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021517949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350537929 + ... + 350537968.

It is an arithmetic number, because the mean of its divisors is an integer number (2453765643).

Almost surely, 2^14021517940 is an apocalyptic number.

14021517940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14021517940 is an abundant number, since it is smaller than the sum of its proper divisors (15423669776).

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

14021517940 is a wasteful number, since it uses less digits than its factorization.

14021517940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701075906 (or 701075904 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 14021517940 in words is "fourteen billion, twenty-one million, five hundred seventeen thousand, nine hundred forty".