818182944 has 132 divisors (see below), whose sum is σ = 2421762966. Its totient is φ = 272097792.

The previous prime is 818182931. The next prime is 818182993. The reversal of 818182944 is 449281818.

It can be written as a sum of positive squares in only one way, i.e., 794563344 + 23619600 = 28188^2 + 4860^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 818182944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 1889352 + ... + 1889784.

Almost surely, 2^818182944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818182944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210881483).

818182944 is an abundant number, since it is smaller than the sum of its proper divisors (1603580022).

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

818182944 is an frugal number, since it uses more digits than its factorization.

818182944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 438 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 818182944 is about 28603.8973568288. The cubic root of 818182944 is about 935.2982906354.

It can be divided in two parts, 8181 and 82944, that added together give a cube (91125 = 45³).

The spelling of 818182944 in words is "eight hundred eighteen million, one hundred eighty-two thousand, nine hundred forty-four".