14401420 has 48 divisors (see below), whose sum is σ = 33326496. Its totient is φ = 5227200.

The previous prime is 14401403. The next prime is 14401421. The reversal of 14401420 is 2410441.

It is a junction number, because it is equal to n+sod(n) for n = 14401394 and 14401403.

It is not an unprimeable number, because it can be changed into a prime (14401421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26350 + ... + 26890.

It is an arithmetic number, because the mean of its divisors is an integer number (694302).

Almost surely, 2^14401420 is an apocalyptic number.

14401420 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 14401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16663248).

14401420 is an abundant number, since it is smaller than the sum of its proper divisors (18925076).

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

14401420 is a wasteful number, since it uses less digits than its factorization.

14401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 14401420 is about 3794.9202890179. The cubic root of 14401420 is about 243.2960765294.

Adding to 14401420 its reverse (2410441), we get a palindrome (16811861).

The spelling of 14401420 in words is "fourteen million, four hundred one thousand, four hundred twenty".