14042340 has 144 divisors (see below), whose sum is σ = 48707568. Its totient is φ = 3244032.

The previous prime is 14042339. The next prime is 14042341. The reversal of 14042340 is 4324041.

It is an interprime number because it is at equal distance from previous prime (14042339) and next prime (14042341).

It can be written as a sum of positive squares in 8 ways, for example, as 381924 + 13660416 = 618^2 + 3696^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14042341) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 39604 + ... + 39956.

It is an arithmetic number, because the mean of its divisors is an integer number (338247).

Almost surely, 2^14042340 is an apocalyptic number.

14042340 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 14042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24353784).

14042340 is an abundant number, since it is smaller than the sum of its proper divisors (34665228).

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

14042340 is a wasteful number, since it uses less digits than its factorization.

14042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14042340 is about 3747.3110359296. The cubic root of 14042340 is about 241.2569471900.

Adding to 14042340 its reverse (4324041), we get a palindrome (18366381).

The spelling of 14042340 in words is "fourteen million, forty-two thousand, three hundred forty".