406066465 has 32 divisors (see below), whose sum is σ = 564595200. Its totient is φ = 274627584.

The previous prime is 406066421. The next prime is 406066483. The reversal of 406066465 is 564660604.

It is not a de Polignac number, because 406066465 - 2⁹ = 406065953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204777 + ... + 1205113.

It is an arithmetic number, because the mean of its divisors is an integer number (17643600).

Almost surely, 2^406066465 is an apocalyptic number.

It is an amenable number.

406066465 is a deficient number, since it is larger than the sum of its proper divisors (158528735).

406066465 is a wasteful number, since it uses less digits than its factorization.

406066465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 406066465 is about 20151.0909133972. The cubic root of 406066465 is about 740.5124676419.

The spelling of 406066465 in words is "four hundred six million, sixty-six thousand, four hundred sixty-five".