1808875332 has 36 divisors (see below), whose sum is σ = 4988111856. Its totient is φ = 548143920.

The previous prime is 1808875331. The next prime is 1808875381. The reversal of 1808875332 is 2335788081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1808875332² = 6544059933436220448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1808875331) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2283538 + ... + 2284329.

Almost surely, 2^1808875332 is an apocalyptic number.

1808875332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1808875332 is an abundant number, since it is smaller than the sum of its proper divisors (3179236524).

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

1808875332 is a wasteful number, since it uses less digits than its factorization.

1808875332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567888 (or 4567883 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1808875332 is about 42530.8750439019. The cubic root of 1808875332 is about 1218.4364391602.

The spelling of 1808875332 in words is "one billion, eight hundred eight million, eight hundred seventy-five thousand, three hundred thirty-two".