14421413440 has 168 divisors, whose sum is σ = 42051061440. Its totient is φ = 4684151808.

The previous prime is 14421413437. The next prime is 14421413453. The reversal of 14421413440 is 4431412441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 14421413399 and 14421413408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273717 + ... + 322123.

Almost surely, 2^14421413440 is an apocalyptic number.

14421413440 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 14421413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21025530720).

14421413440 is an abundant number, since it is smaller than the sum of its proper divisors (27629648000).

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

14421413440 is a wasteful number, since it uses less digits than its factorization.

14421413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48457 (or 48440 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 14421413440 its reverse (4431412441), we get a palindrome (18852825881).

Subtracting from 14421413440 its reverse (4431412441), we obtain a palindrome (9990000999).

The spelling of 14421413440 in words is "fourteen billion, four hundred twenty-one million, four hundred thirteen thousand, four hundred forty".