1840282840 has 32 divisors (see below), whose sum is σ = 4517058960. Its totient is φ = 669193600.

The previous prime is 1840282837. The next prime is 1840282921. The reversal of 1840282840 is 482820481.

It is a self number, because there is not a number n which added to its sum of digits gives 1840282840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090791 + ... + 2091670.

Almost surely, 2^1840282840 is an apocalyptic number.

1840282840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840282840 is an abundant number, since it is smaller than the sum of its proper divisors (2676776120).

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

1840282840 is a wasteful number, since it uses less digits than its factorization.

1840282840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182483 (or 4182479 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 1840282840 is about 42898.5179231171. The cubic root of 1840282840 is about 1225.4479194975.

The spelling of 1840282840 in words is "one billion, eight hundred forty million, two hundred eighty-two thousand, eight hundred forty".