15401106664344 has 96 divisors (see below), whose sum is σ = 42448662360000. Its totient is φ = 5043688505856.

The previous prime is 15401106664303. The next prime is 15401106664387. The reversal of 15401106664344 is 44346660110451.

It is a self number, because there is not a number n which added to its sum of digits gives 15401106664344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6648144 + ... + 8660255.

It is an arithmetic number, because the mean of its divisors is an integer number (442173566250).

Almost surely, 2^{15401106664344} is an apocalyptic number.

It is an amenable number.

15401106664344 is an abundant number, since it is smaller than the sum of its proper divisors (27047555695656).

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

15401106664344 is a wasteful number, since it uses less digits than its factorization.

15401106664344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308657 (or 15308650 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

Adding to 15401106664344 its reverse (44346660110451), we get a palindrome (59747766774795).

The spelling of 15401106664344 in words is "fifteen trillion, four hundred one billion, one hundred six million, six hundred sixty-four thousand, three hundred forty-four".