4081555682 has 8 divisors (see below), whose sum is σ = 6141894636. Its totient is φ = 2034257472.

The previous prime is 4081555679. The next prime is 4081555693. The reversal of 4081555682 is 2865551804.

It can be written as a sum of positive squares in 2 ways, for example, as 3842884081 + 238671601 = 61991^2 + 15449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3259403 + ... + 3260654.

Almost surely, 2^4081555682 is an apocalyptic number.

4081555682 is a deficient number, since it is larger than the sum of its proper divisors (2060338954).

4081555682 is a wasteful number, since it uses less digits than its factorization.

4081555682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520372.

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 4081555682 is about 63887.0541033158. The cubic root of 4081555682 is about 1598.1170142744.

The spelling of 4081555682 in words is "four billion, eighty-one million, five hundred fifty-five thousand, six hundred eighty-two".