406545244 has 12 divisors (see below), whose sum is σ = 813090544. Its totient is φ = 174233664.

The previous prime is 406545241. The next prime is 406545277. The reversal of 406545244 is 442545604.

406545244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406545241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7259709 + ... + 7259764.

Almost surely, 2^406545244 is an apocalyptic number.

It is an amenable number.

406545244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406545244 is a wasteful number, since it uses less digits than its factorization.

406545244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519484 (or 14519482 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 406545244 is about 20162.9671427595. The cubic root of 406545244 is about 740.8033909249.

The spelling of 406545244 in words is "four hundred six million, five hundred forty-five thousand, two hundred forty-four".