406268026 has 8 divisors (see below), whose sum is σ = 609571764. Its totient is φ = 203077440.

The previous prime is 406268011. The next prime is 406268033. The reversal of 406268026 is 620862604.

It can be written as a sum of positive squares in 2 ways, for example, as 401962401 + 4305625 = 20049^2 + 2075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 406267982 and 406268000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18655 + ... + 34066.

Almost surely, 2^406268026 is an apocalyptic number.

406268026 is a deficient number, since it is larger than the sum of its proper divisors (203303738).

406268026 is a wasteful number, since it uses less digits than its factorization.

406268026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56576.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 406268026 is about 20156.0915358112. The cubic root of 406268026 is about 740.6349711868.

The spelling of 406268026 in words is "four hundred six million, two hundred sixty-eight thousand, twenty-six".