1840112900 has 18 divisors (see below), whose sum is σ = 3993045210. Its totient is φ = 736045120.

The previous prime is 1840112891. The next prime is 1840112917. The reversal of 1840112900 is 92110481.

It can be written as a sum of positive squares in 3 ways, for example, as 340254916 + 1499857984 = 18446^2 + 38728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1840112900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9200465 + ... + 9200664.

It is an arithmetic number, because the mean of its divisors is an integer number (221835845).

Almost surely, 2^1840112900 is an apocalyptic number.

1840112900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840112900 is an abundant number, since it is smaller than the sum of its proper divisors (2152932310).

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

1840112900 is a wasteful number, since it uses less digits than its factorization.

1840112900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401143 (or 18401136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1840112900 is about 42896.5371562787. The cubic root of 1840112900 is about 1225.4101972109.

The spelling of 1840112900 in words is "one billion, eight hundred forty million, one hundred twelve thousand, nine hundred".