14455402420 has 24 divisors (see below), whose sum is σ = 30359352744. Its totient is φ = 5781588096.

The previous prime is 14455402417. The next prime is 14455402427. The reversal of 14455402420 is 2420455441.

It can be written as a sum of positive squares in 4 ways, for example, as 639280656 + 13816121764 = 25284^2 + 117542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14455402427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213414 + ... + 272866.

It is an arithmetic number, because the mean of its divisors is an integer number (1264973031).

Almost surely, 2^14455402420 is an apocalyptic number.

14455402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14455402420 is an abundant number, since it is smaller than the sum of its proper divisors (15903950324).

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

14455402420 is a wasteful number, since it uses less digits than its factorization.

14455402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71619 (or 71617 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 14455402420 its reverse (2420455441), we get a palindrome (16875857861).

The spelling of 14455402420 in words is "fourteen billion, four hundred fifty-five million, four hundred two thousand, four hundred twenty".