14028440 has 16 divisors (see below), whose sum is σ = 31564080. Its totient is φ = 5611360.

The previous prime is 14028433. The next prime is 14028457. The reversal of 14028440 is 4482041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175316 + ... + 175395.

It is an arithmetic number, because the mean of its divisors is an integer number (1972755).

Almost surely, 2^14028440 is an apocalyptic number.

14028440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14028440 is an abundant number, since it is smaller than the sum of its proper divisors (17535640).

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

14028440 is a wasteful number, since it uses less digits than its factorization.

14028440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350722 (or 350718 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 14028440 is about 3745.4559135037. The cubic root of 14028440 is about 241.1773170935.

The spelling of 14028440 in words is "fourteen million, twenty-eight thousand, four hundred forty".