404152142225215 has 16 divisors (see below), whose sum is σ = 491133169198080. Its totient is φ = 319221507739680.

The previous prime is 404152142225213. The next prime is 404152142225239. The reversal of 404152142225215 is 512522241251404.

It is not a de Polignac number, because 404152142225215 - 2¹ = 404152142225213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404152142225213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744102 + ... + 28823788.

It is an arithmetic number, because the mean of its divisors is an integer number (30695823074880).

Almost surely, 2^{404152142225215} is an apocalyptic number.

404152142225215 is a deficient number, since it is larger than the sum of its proper divisors (86981026972865).

404152142225215 is a wasteful number, since it uses less digits than its factorization.

404152142225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122262.

The product of its (nonzero) digits is 256000, while the sum is 40.

Adding to 404152142225215 its reverse (512522241251404), we get a palindrome (916674383476619).

The spelling of 404152142225215 in words is "four hundred four trillion, one hundred fifty-two billion, one hundred forty-two million, two hundred twenty-five thousand, two hundred fifteen".