406605464361 has 8 divisors (see below), whose sum is σ = 602378465760. Its totient is φ = 271070309556.

The previous prime is 406605464357. The next prime is 406605464399. The reversal of 406605464361 is 163464506604.

406605464361 is a `hidden beast` number, since 4 + 0 + 6 + 6 + 0 + 546 + 43 + 61 = 666.

It is not a de Polignac number, because 406605464361 - 2² = 406605464357 is a prime.

It is a super-2 number, since 2×406605464361² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406605464341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7529730795 + ... + 7529730848.

It is an arithmetic number, because the mean of its divisors is an integer number (75297308220).

Almost surely, 2^406605464361 is an apocalyptic number.

It is an amenable number.

406605464361 is a deficient number, since it is larger than the sum of its proper divisors (195773001399).

406605464361 is a wasteful number, since it uses less digits than its factorization.

406605464361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15059461652 (or 15059461646 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 406605464361 in words is "four hundred six billion, six hundred five million, four hundred sixty-four thousand, three hundred sixty-one".