14440420 has 24 divisors (see below), whose sum is σ = 31304448. Its totient is φ = 5589600.

The previous prime is 14440409. The next prime is 14440457. The reversal of 14440420 is 2404441.

It is a super-3 number, since 3×14440420³ (a number of 22 digits) contains 333 as substring.

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, 11026 + ... + 12265.

It is an arithmetic number, because the mean of its divisors is an integer number (1304352).

Almost surely, 2^14440420 is an apocalyptic number.

14440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14440420 is an abundant number, since it is smaller than the sum of its proper divisors (16864028).

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

14440420 is a wasteful number, since it uses less digits than its factorization.

14440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331 (or 23329 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 14440420 is about 3800.0552627561. The cubic root of 14440420 is about 243.5154992123.

Adding to 14440420 its reverse (2404441), we get a palindrome (16844861).

The spelling of 14440420 in words is "fourteen million, four hundred forty thousand, four hundred twenty".