1799944200 has 96 divisors (see below), whose sum is σ = 6199826400. Its totient is φ = 479983680.

The previous prime is 1799944193. The next prime is 1799944253. The reversal of 1799944200 is 24499971.

It is a happy number.

It is a super-2 number, since 2×1799944200² = 6479598246227280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 161262 + ... + 172061.

It is an arithmetic number, because the mean of its divisors is an integer number (64581525).

Almost surely, 2^1799944200 is an apocalyptic number.

1799944200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1799944200 is an abundant number, since it is smaller than the sum of its proper divisors (4399882200).

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

1799944200 is a wasteful number, since it uses less digits than its factorization.

1799944200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333348 (or 333333 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1799944200 is about 42425.7492567898. The cubic root of 1799944200 is about 1216.4278291007.

The spelling of 1799944200 in words is "one billion, seven hundred ninety-nine million, nine hundred forty-four thousand, two hundred".