1840111332 has 12 divisors (see below), whose sum is σ = 4293593136. Its totient is φ = 613370440.

The previous prime is 1840111321. The next prime is 1840111333. The reversal of 1840111332 is 2331110481.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1840111333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76671294 + ... + 76671317.

It is an arithmetic number, because the mean of its divisors is an integer number (357799428).

Almost surely, 2^1840111332 is an apocalyptic number.

1840111332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840111332 is an abundant number, since it is smaller than the sum of its proper divisors (2453481804).

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

1840111332 is a wasteful number, since it uses less digits than its factorization.

1840111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153342618 (or 153342616 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1840111332 is about 42896.5188797413. The cubic root of 1840111332 is about 1225.4098491447.

The spelling of 1840111332 in words is "one billion, eight hundred forty million, one hundred eleven thousand, three hundred thirty-two".