416066644 has 36 divisors (see below), whose sum is σ = 848323476. Its totient is φ = 178034304.

The previous prime is 416066641. The next prime is 416066713. The reversal of 416066644 is 446660614.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 310182544 + 105884100 = 17612^2 + 10290^2 .

It is a super-2 number, since 2×416066644² = 346222904498845472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416066641) 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 11 ways as a sum of consecutive naturals, for example, 166734 + ... + 169210.

It is an arithmetic number, because the mean of its divisors is an integer number (23564541).

Almost surely, 2^416066644 is an apocalyptic number.

It is an amenable number.

416066644 is an abundant number, since it is smaller than the sum of its proper divisors (432256832).

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

416066644 is a wasteful number, since it uses less digits than its factorization.

416066644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3343 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 416066644 is about 20397.7117344079. The cubic root of 416066644 is about 746.5420929326.

The spelling of 416066644 in words is "four hundred sixteen million, sixty-six thousand, six hundred forty-four".