14432021840 has 20 divisors (see below), whose sum is σ = 33554450964. Its totient is φ = 5772808704.

The previous prime is 14432021819. The next prime is 14432021867. The reversal of 14432021840 is 4812023441.

14432021840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8849541184 + 5582480656 = 94072^2 + 74716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 90200057 + ... + 90200216.

Almost surely, 2^14432021840 is an apocalyptic number.

14432021840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14432021840 is an abundant number, since it is smaller than the sum of its proper divisors (19122429124).

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

14432021840 is a wasteful number, since it uses less digits than its factorization.

14432021840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180400286 (or 180400280 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 14432021840 in words is "fourteen billion, four hundred thirty-two million, twenty-one thousand, eight hundred forty".