14420245440 has 112 divisors (see below), whose sum is σ = 45876837888. Its totient is φ = 3837625344.

The previous prime is 14420245409. The next prime is 14420245481. The reversal of 14420245440 is 4454202441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14420245398 and 14420245407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467949 + ... + 497811.

It is an arithmetic number, because the mean of its divisors is an integer number (409614624).

Almost surely, 2^14420245440 is an apocalyptic number.

14420245440 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 14420245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22938418944).

14420245440 is an abundant number, since it is smaller than the sum of its proper divisors (31456592448).

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

14420245440 is a wasteful number, since it uses less digits than its factorization.

14420245440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30386 (or 30376 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 14420245440 its reverse (4454202441), we get a palindrome (18874447881).

The spelling of 14420245440 in words is "fourteen billion, four hundred twenty million, two hundred forty-five thousand, four hundred forty".