396411422418 has 126 divisors (see below), whose sum is σ = 980587025607. Its totient is φ = 120044536920.

The previous prime is 396411422417. The next prime is 396411422467. The reversal of 396411422418 is 814224114693.

396411422418 is a `hidden beast` number, since 3 + 9 + 6 + 411 + 4 + 224 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198205711209 + 198205711209 = 445203^2 + 445203^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=445203.

It is not an unprimeable number, because it can be changed into a prime (396411422413) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 264449833 + ... + 264451331.

Almost surely, 2^396411422418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396411422418

396411422418 is an abundant number, since it is smaller than the sum of its proper divisors (584175603189).

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

396411422418 is an frugal number, since it uses more digits than its factorization.

396411422418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 1515 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 396411422418 in words is "three hundred ninety-six billion, four hundred eleven million, four hundred twenty-two thousand, four hundred eighteen".