1840808040 has 32 divisors (see below), whose sum is σ = 5522424480. Its totient is φ = 490882112.

The previous prime is 1840808033. The next prime is 1840808051. The reversal of 1840808040 is 408080481.

It is a junction number, because it is equal to n+sod(n) for n = 1840807992 and 1840808010.

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, 7669914 + ... + 7670153.

It is an arithmetic number, because the mean of its divisors is an integer number (172575765).

Almost surely, 2^1840808040 is an apocalyptic number.

1840808040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840808040 is an abundant number, since it is smaller than the sum of its proper divisors (3681616440).

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

1840808040 is a wasteful number, since it uses less digits than its factorization.

1840808040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340081 (or 15340077 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1840808040 is about 42904.6389100293. The cubic root of 1840808040 is about 1225.5644856428.

The spelling of 1840808040 in words is "one billion, eight hundred forty million, eight hundred eight thousand, forty".