4000406626 has 16 divisors (see below), whose sum is σ = 6164580096. Its totient is φ = 1945578096.

The previous prime is 4000406593. The next prime is 4000406651. The reversal of 4000406626 is 6266040004.

It is a junction number, because it is equal to n+sod(n) for n = 4000406594 and 4000406603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371125 + ... + 381751.

It is an arithmetic number, because the mean of its divisors is an integer number (385286256).

Almost surely, 2^4000406626 is an apocalyptic number.

4000406626 is a deficient number, since it is larger than the sum of its proper divisors (2164173470).

4000406626 is a wasteful number, since it uses less digits than its factorization.

4000406626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4000406626 is about 63248.7677824636. The cubic root of 4000406626 is about 1587.4548400240.

The spelling of 4000406626 in words is "four billion, four hundred six thousand, six hundred twenty-six".