405330115442 has 16 divisors (see below), whose sum is σ = 694866710592. Its totient is φ = 173709135600.

The previous prime is 405330115369. The next prime is 405330115447. The reversal of 405330115442 is 244511033504.

It is a junction number, because it is equal to n+sod(n) for n = 405330115399 and 405330115408.

It is not an unprimeable number, because it can be changed into a prime (405330115447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411488 + ... + 989940.

It is an arithmetic number, because the mean of its divisors is an integer number (43429169412).

Almost surely, 2^405330115442 is an apocalyptic number.

405330115442 is a deficient number, since it is larger than the sum of its proper divisors (289536595150).

405330115442 is a wasteful number, since it uses less digits than its factorization.

405330115442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628513.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 405330115442 its reverse (244511033504), we get a palindrome (649841148946).

The spelling of 405330115442 in words is "four hundred five billion, three hundred thirty million, one hundred fifteen thousand, four hundred forty-two".