1808799312 has 40 divisors (see below), whose sum is σ = 4677235360. Its totient is φ = 602352000.

The previous prime is 1808799287. The next prime is 1808799341. The reversal of 1808799312 is 2139978081.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 33687 + ... + 68937.

It is an arithmetic number, because the mean of its divisors is an integer number (116930884).

Almost surely, 2^1808799312 is an apocalyptic number.

1808799312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1808799312 is an abundant number, since it is smaller than the sum of its proper divisors (2868436048).

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

1808799312 is a wasteful number, since it uses less digits than its factorization.

1808799312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36331 (or 36325 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 1808799312 is about 42529.9813308212. The cubic root of 1808799312 is about 1218.4193702051.

The spelling of 1808799312 in words is "one billion, eight hundred eight million, seven hundred ninety-nine thousand, three hundred twelve".