396564188234 has 16 divisors (see below), whose sum is σ = 612015694920. Its totient is φ = 192601194240.

The previous prime is 396564188233. The next prime is 396564188243. The reversal of 396564188234 is 432881465693.

It can be written as a sum of positive squares in 4 ways, for example, as 323368509025 + 73195679209 = 568655^2 + 270547^2 .

It is not an unprimeable number, because it can be changed into a prime (396564188233) 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, 10540499 + ... + 10578054.

Almost surely, 2^396564188234 is an apocalyptic number.

396564188234 is a deficient number, since it is larger than the sum of its proper divisors (215451506686).

396564188234 is a wasteful number, since it uses less digits than its factorization.

396564188234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118825.

The product of its digits is 29859840, while the sum is 59.

The spelling of 396564188234 in words is "three hundred ninety-six billion, five hundred sixty-four million, one hundred eighty-eight thousand, two hundred thirty-four".