14242440 has 32 divisors (see below), whose sum is σ = 42727680. Its totient is φ = 3797952.

The previous prime is 14242433. The next prime is 14242469. The reversal of 14242440 is 4424241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59224 + ... + 59463.

It is an arithmetic number, because the mean of its divisors is an integer number (1335240).

Almost surely, 2^14242440 is an apocalyptic number.

14242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14242440 is an abundant number, since it is smaller than the sum of its proper divisors (28485240).

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

14242440 is a wasteful number, since it uses less digits than its factorization.

14242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118701 (or 118697 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 14242440 is about 3773.9157383280. The cubic root of 14242440 is about 242.3974980408.

Adding to 14242440 its reverse (4424241), we get a palindrome (18666681).

The spelling of 14242440 in words is "fourteen million, two hundred forty-two thousand, four hundred forty".