406444116 has 24 divisors (see below), whose sum is σ = 1021321504. Its totient is φ = 125059680.

The previous prime is 406444091. The next prime is 406444123. The reversal of 406444116 is 611444604.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1302550 + ... + 1302861.

Almost surely, 2^406444116 is an apocalyptic number.

It is an amenable number.

406444116 is an abundant number, since it is smaller than the sum of its proper divisors (614877388).

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

406444116 is a wasteful number, since it uses less digits than its factorization.

406444116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605431 (or 2605429 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 406444116 is about 20160.4592209602. The cubic root of 406444116 is about 740.7419609618.

The spelling of 406444116 in words is "four hundred six million, four hundred forty-four thousand, one hundred sixteen".