406126354946 has 16 divisors (see below), whose sum is σ = 656239529400. Its totient is φ = 187388857728.

The previous prime is 406126354913. The next prime is 406126354951. The reversal of 406126354946 is 649453621604.

It can be written as a sum of positive squares in 4 ways, for example, as 282285003025 + 123841351921 = 531305^2 + 351911^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 406126354894 and 406126354903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161211 + ... + 2341598.

Almost surely, 2^406126354946 is an apocalyptic number.

406126354946 is a deficient number, since it is larger than the sum of its proper divisors (250113174454).

406126354946 is a wasteful number, since it uses less digits than its factorization.

406126354946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506293.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 406126354946 in words is "four hundred six billion, one hundred twenty-six million, three hundred fifty-four thousand, nine hundred forty-six".