14280040 has 32 divisors (see below), whose sum is σ = 32544000. Its totient is φ = 5638464.

The previous prime is 14280029. The next prime is 14280043. The reversal of 14280040 is 4008241.

It is not an unprimeable number, because it can be changed into a prime (14280043) by changing a digit.

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, 901 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (1017000).

Almost surely, 2^14280040 is an apocalyptic number.

14280040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14280040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16272000).

14280040 is an abundant number, since it is smaller than the sum of its proper divisors (18263960).

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

14280040 is a wasteful number, since it uses less digits than its factorization.

14280040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 14280040 is about 3778.8940180958. The cubic root of 14280040 is about 242.6106201657.

Adding to 14280040 its reverse (4008241), we get a palindrome (18288281).

The spelling of 14280040 in words is "fourteen million, two hundred eighty thousand, forty".