15442314320000 has 80 divisors (see below), whose sum is σ = 38442676554150. Its totient is φ = 6176925696000.

The previous prime is 15442314319987. The next prime is 15442314320021. The reversal of 15442314320000 is 2341324451.

It can be written as a sum of positive squares in 5 ways, for example, as 600773809216 + 14841540510784 = 775096^2 + 3852472^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 96434465 + ... + 96594464.

Almost surely, 2^{15442314320000} is an apocalyptic number.

15442314320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15442314320000 is an abundant number, since it is smaller than the sum of its proper divisors (23000362234150).

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

15442314320000 is an frugal number, since it uses more digits than its factorization.

15442314320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193028963 (or 193028936 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 15442314320000 its reverse (2341324451), we get a palindrome (15444655644451).

The spelling of 15442314320000 in words is "fifteen trillion, four hundred forty-two billion, three hundred fourteen million, three hundred twenty thousand".