4091816900 has 18 divisors (see below), whose sum is σ = 8879242890. Its totient is φ = 1636726720.

The previous prime is 4091816899. The next prime is 4091816903. The reversal of 4091816900 is 96181904.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64899136 + 4026917764 = 8056^2 + 63458^2 .

It is a super-2 number, since 2×4091816900² = 33485931086251220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4091816903) 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 5 ways as a sum of consecutive naturals, for example, 20458985 + ... + 20459184.

Almost surely, 2^4091816900 is an apocalyptic number.

It is an amenable number.

4091816900 is an abundant number, since it is smaller than the sum of its proper divisors (4787425990).

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

4091816900 is a wasteful number, since it uses less digits than its factorization.

4091816900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40918183 (or 40918176 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 4091816900 is about 63967.3111831348. The cubic root of 4091816900 is about 1599.4551399966.

The spelling of 4091816900 in words is "four billion, ninety-one million, eight hundred sixteen thousand, nine hundred".