406242626824 has 16 divisors (see below), whose sum is σ = 762111629820. Its totient is φ = 203012858880.

The previous prime is 406242626813. The next prime is 406242626831. The reversal of 406242626824 is 428626242604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 360396108900 + 45846517924 = 600330^2 + 214118^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13540897 + ... + 13570864.

Almost surely, 2^406242626824 is an apocalyptic number.

It is an amenable number.

406242626824 is a deficient number, since it is larger than the sum of its proper divisors (355869002996).

406242626824 is a wasteful number, since it uses less digits than its factorization.

406242626824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113640 (or 27113636 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 46.

The spelling of 406242626824 in words is "four hundred six billion, two hundred forty-two million, six hundred twenty-six thousand, eight hundred twenty-four".