14451464544 has 96 divisors (see below), whose sum is σ = 41431098240. Its totient is φ = 4374220800.

The previous prime is 14451464539. The next prime is 14451464557. The reversal of 14451464544 is 44546415441.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 14451464496 and 14451464505.

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, 973659 + ... + 988389.

It is an arithmetic number, because the mean of its divisors is an integer number (431573940).

Almost surely, 2^14451464544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14451464544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20715549120).

14451464544 is an abundant number, since it is smaller than the sum of its proper divisors (26979633696).

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

14451464544 is a wasteful number, since it uses less digits than its factorization.

14451464544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684 (or 15676 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

Adding to 14451464544 its reverse (44546415441), we get a palindrome (58997879985).

The spelling of 14451464544 in words is "fourteen billion, four hundred fifty-one million, four hundred sixty-four thousand, five hundred forty-four".