15440124053422 has 8 divisors (see below), whose sum is σ = 23160261398400. Its totient is φ = 7720036920624.

The previous prime is 15440124053411. The next prime is 15440124053447. The reversal of 15440124053422 is 22435042104451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15440124053422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11774647 + ... + 13020082.

It is an arithmetic number, because the mean of its divisors is an integer number (2895032674800).

Almost surely, 2^{15440124053422} is an apocalyptic number.

15440124053422 is a deficient number, since it is larger than the sum of its proper divisors (7720137344978).

15440124053422 is a wasteful number, since it uses less digits than its factorization.

15440124053422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25106090.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 15440124053422 its reverse (22435042104451), we get a palindrome (37875166157873).

The spelling of 15440124053422 in words is "fifteen trillion, four hundred forty billion, one hundred twenty-four million, fifty-three thousand, four hundred twenty-two".