14303421440 has 528 divisors, whose sum is σ = 44759931264. Its totient is φ = 4335206400.

The previous prime is 14303421437. The next prime is 14303421491. The reversal of 14303421440 is 4412430341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195937244 + ... + 195937316.

Almost surely, 2^14303421440 is an apocalyptic number.

14303421440 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 14303421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22379965632).

14303421440 is an abundant number, since it is smaller than the sum of its proper divisors (30456509824).

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

14303421440 is a wasteful number, since it uses less digits than its factorization.

14303421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 14303421440 its reverse (4412430341), we get a palindrome (18715851781).

The spelling of 14303421440 in words is "fourteen billion, three hundred three million, four hundred twenty-one thousand, four hundred forty".