15401421055344 has 160 divisors (see below), whose sum is σ = 45426227535360. Its totient is φ = 4465865318400.

The previous prime is 15401421055243. The next prime is 15401421055357. The reversal of 15401421055344 is 44355012410451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11478772 + ... + 12750099.

It is an arithmetic number, because the mean of its divisors is an integer number (283913922096).

Almost surely, 2^{15401421055344} is an apocalyptic number.

It is an amenable number.

15401421055344 is an abundant number, since it is smaller than the sum of its proper divisors (30024806480016).

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

15401421055344 is a wasteful number, since it uses less digits than its factorization.

15401421055344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24228959 (or 24228953 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 15401421055344 its reverse (44355012410451), we get a palindrome (59756433465795).

The spelling of 15401421055344 in words is "fifteen trillion, four hundred one billion, four hundred twenty-one million, fifty-five thousand, three hundred forty-four".