406205260 has 24 divisors (see below), whose sum is σ = 859173840. Its totient is φ = 161312064.

The previous prime is 406205249. The next prime is 406205273. The reversal of 406205260 is 62502604.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 70279 + ... + 75838.

It is an arithmetic number, because the mean of its divisors is an integer number (35798910).

Almost surely, 2^406205260 is an apocalyptic number.

It is an amenable number.

406205260 is an abundant number, since it is smaller than the sum of its proper divisors (452968580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406205260 is a wasteful number, since it uses less digits than its factorization.

406205260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146265 (or 146263 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 406205260 is about 20154.5344773825. The cubic root of 406205260 is about 740.5968279859.

Adding to 406205260 its reverse (62502604), we get a palindrome (468707864).

The spelling of 406205260 in words is "four hundred six million, two hundred five thousand, two hundred sixty".