416181812 has 12 divisors (see below), whose sum is σ = 735529956. Its totient is φ = 206030400.

The previous prime is 416181763. The next prime is 416181817. The reversal of 416181812 is 218181614.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 236728996 + 179452816 = 15386^2 + 13396^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416181817) 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, 514673 + ... + 515480.

It is an arithmetic number, because the mean of its divisors is an integer number (61294163).

Almost surely, 2^416181812 is an apocalyptic number.

It is an amenable number.

416181812 is a deficient number, since it is larger than the sum of its proper divisors (319348144).

416181812 is a wasteful number, since it uses less digits than its factorization.

416181812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030258 (or 1030256 counting only the distinct ones).

The product of its digits is 3072, while the sum is 32.

The square root of 416181812 is about 20400.5346008383. The cubic root of 416181812 is about 746.6109679788.

The spelling of 416181812 in words is "four hundred sixteen million, one hundred eighty-one thousand, eight hundred twelve".