406260109 has 16 divisors (see below), whose sum is σ = 447523200. Its totient is φ = 367082496.

The previous prime is 406260089. The next prime is 406260131. The reversal of 406260109 is 901062604.

It is a cyclic number.

It is not a de Polignac number, because 406260109 - 2⁷ = 406259981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406260409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177597 + ... + 179869.

It is an arithmetic number, because the mean of its divisors is an integer number (27970200).

Almost surely, 2^406260109 is an apocalyptic number.

It is an amenable number.

406260109 is a deficient number, since it is larger than the sum of its proper divisors (41263091).

406260109 is a wasteful number, since it uses less digits than its factorization.

406260109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 406260109 is about 20155.8951426127. The cubic root of 406260109 is about 740.6301602043.

The spelling of 406260109 in words is "four hundred six million, two hundred sixty thousand, one hundred nine".