14553452440520 has 384 divisors, whose sum is σ = 40537245225600. Its totient is φ = 4675249152000.

The previous prime is 14553452440511. The next prime is 14553452440523. The reversal of 14553452440520 is 2504425435541.

It is not an unprimeable number, because it can be changed into a prime (14553452440523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5119046219 + ... + 5119049061.

It is an arithmetic number, because the mean of its divisors is an integer number (105565742775).

Almost surely, 2^{14553452440520} is an apocalyptic number.

14553452440520 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 14553452440520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20268622612800).

14553452440520 is an abundant number, since it is smaller than the sum of its proper divisors (25983792785080).

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

14553452440520 is a wasteful number, since it uses less digits than its factorization.

14553452440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 14553452440520 in words is "fourteen trillion, five hundred fifty-three billion, four hundred fifty-two million, four hundred forty thousand, five hundred twenty".