4081863400 has 24 divisors (see below), whose sum is σ = 9490332870. Its totient is φ = 1632745280.

The previous prime is 4081863397. The next prime is 4081863427. The reversal of 4081863400 is 43681804.

4081863400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2807516196 + 1274347204 = 52986^2 + 35698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10204459 + ... + 10204858.

Almost surely, 2^4081863400 is an apocalyptic number.

4081863400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4081863400 is an abundant number, since it is smaller than the sum of its proper divisors (5408469470).

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

4081863400 is a wasteful number, since it uses less digits than its factorization.

4081863400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409333 (or 20409324 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 4081863400 is about 63889.4623549142. The cubic root of 4081863400 is about 1598.1571751878.

The spelling of 4081863400 in words is "four billion, eighty-one million, eight hundred sixty-three thousand, four hundred".