14503220544 has 112 divisors (see below), whose sum is σ = 39850868736. Its totient is φ = 4650124800.

The previous prime is 14503220539. The next prime is 14503220597. The reversal of 14503220544 is 44502230541.

It is a super-2 number, since 2×14503220544² (a number of 21 digits) contains 22 as substring.

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, 986689 + ... + 1001279.

It is an arithmetic number, because the mean of its divisors is an integer number (355811328).

Almost surely, 2^14503220544 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 14503220544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19925434368).

14503220544 is an abundant number, since it is smaller than the sum of its proper divisors (25347648192).

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

14503220544 is a wasteful number, since it uses less digits than its factorization.

14503220544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804 (or 14794 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 14503220544 in words is "fourteen billion, five hundred three million, two hundred twenty thousand, five hundred forty-four".