1808436064 has 48 divisors (see below), whose sum is σ = 3774178800. Its totient is φ = 850038784.

The previous prime is 1808436059. The next prime is 1808436083. The reversal of 1808436064 is 4606348081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699927 + ... + 702505.

It is an arithmetic number, because the mean of its divisors is an integer number (78628725).

Almost surely, 2^1808436064 is an apocalyptic number.

It is an amenable number.

1808436064 is an abundant number, since it is smaller than the sum of its proper divisors (1965742736).

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

1808436064 is a wasteful number, since it uses less digits than its factorization.

1808436064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 1808436064 is about 42525.7106231042. The cubic root of 1808436064 is about 1218.3378026468.

The spelling of 1808436064 in words is "one billion, eight hundred eight million, four hundred thirty-six thousand, sixty-four".