14544345540 has 96 divisors (see below), whose sum is σ = 41899826304. Its totient is φ = 3766901760.

The previous prime is 14544345509. The next prime is 14544345581. The reversal of 14544345540 is 4554344541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297560 + ... + 1308720.

It is an arithmetic number, because the mean of its divisors is an integer number (436456524).

Almost surely, 2^14544345540 is an apocalyptic number.

14544345540 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 14544345540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20949913152).

14544345540 is an abundant number, since it is smaller than the sum of its proper divisors (27355480764).

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

14544345540 is a wasteful number, since it uses less digits than its factorization.

14544345540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Subtracting from 14544345540 its reverse (4554344541), we obtain a palindrome (9990000999).

The spelling of 14544345540 in words is "fourteen billion, five hundred forty-four million, three hundred forty-five thousand, five hundred forty".