816244912 has 40 divisors (see below), whose sum is σ = 1826056736. Its totient is φ = 346208256.

The previous prime is 816244909. The next prime is 816244927. The reversal of 816244912 is 219442618.

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, 26703 + ... + 48430.

Almost surely, 2^816244912 is an apocalyptic number.

It is an amenable number.

816244912 is an abundant number, since it is smaller than the sum of its proper divisors (1009811824).

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

816244912 is a wasteful number, since it uses less digits than its factorization.

816244912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75245 (or 75239 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 816244912 is about 28570.0002100105. Note that the first 3 decimals coincide. The cubic root of 816244912 is about 934.5592256473.

The spelling of 816244912 in words is "eight hundred sixteen million, two hundred forty-four thousand, nine hundred twelve".