15404421044042 has 8 divisors (see below), whose sum is σ = 24322770069600. Its totient is φ = 7296831020844.

The previous prime is 15404421044029. The next prime is 15404421044093. The reversal of 15404421044042 is 24044012440451.

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

It is a junction number, because it is equal to n+sod(n) for n = 15404421043993 and 15404421044011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202689750542 + ... + 202689750617.

It is an arithmetic number, because the mean of its divisors is an integer number (3040346258700).

Almost surely, 2^{15404421044042} is an apocalyptic number.

15404421044042 is a deficient number, since it is larger than the sum of its proper divisors (8918349025558).

15404421044042 is a wasteful number, since it uses less digits than its factorization.

15404421044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405379501180.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 15404421044042 its reverse (24044012440451), we get a palindrome (39448433484493).

The spelling of 15404421044042 in words is "fifteen trillion, four hundred four billion, four hundred twenty-one million, forty-four thousand, forty-two".