15448401312 has 48 divisors (see below), whose sum is σ = 40596992352. Its totient is φ = 5143760640.

The previous prime is 15448401289. The next prime is 15448401323. The reversal of 15448401312 is 21310484451.

15448401312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 175782.

It is an arithmetic number, because the mean of its divisors is an integer number (845770674).

Almost surely, 2^15448401312 is an apocalyptic number.

15448401312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15448401312 is an abundant number, since it is smaller than the sum of its proper divisors (25148591040).

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

15448401312 is a wasteful number, since it uses less digits than its factorization.

15448401312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178341 (or 178333 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 15448401312 its reverse (21310484451), we get a palindrome (36758885763).

The spelling of 15448401312 in words is "fifteen billion, four hundred forty-eight million, four hundred one thousand, three hundred twelve".