15445352240000 has 160 divisors (see below), whose sum is σ = 38484521011200. Its totient is φ = 6172632576000.

The previous prime is 15445352239997. The next prime is 15445352240077. The reversal of 15445352240000 is 4225354451.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90234497 + ... + 90405503.

It is an arithmetic number, because the mean of its divisors is an integer number (240528256320).

Almost surely, 2^{15445352240000} is an apocalyptic number.

15445352240000 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 15445352240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19242260505600).

15445352240000 is an abundant number, since it is smaller than the sum of its proper divisors (23039168771200).

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

15445352240000 is an equidigital number, since it uses as much as digits as its factorization.

15445352240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172170 (or 172143 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 15445352240000 its reverse (4225354451), we get a palindrome (15449577594451).

The spelling of 15445352240000 in words is "fifteen trillion, four hundred forty-five billion, three hundred fifty-two million, two hundred forty thousand".