14504009728 has 56 divisors (see below), whose sum is σ = 31237728228. Its totient is φ = 6694109184.

The previous prime is 14504009677. The next prime is 14504009759. The reversal of 14504009728 is 82790040541.

It can be written as a sum of positive squares in 2 ways, for example, as 11382329344 + 3121680384 = 106688^2 + 55872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38400 + ... + 174592.

Almost surely, 2^14504009728 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 14504009728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15618864114).

14504009728 is an abundant number, since it is smaller than the sum of its proper divisors (16733718500).

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

14504009728 is an equidigital number, since it uses as much as digits as its factorization.

14504009728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136232 (or 136208 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 14504009728 in words is "fourteen billion, five hundred four million, nine thousand, seven hundred twenty-eight".