4082621818 has 64 divisors (see below), whose sum is σ = 7151763456. Its totient is φ = 1730520000.

The previous prime is 4082621813. The next prime is 4082621843. The reversal of 4082621818 is 8181262804.

It is not an unprimeable number, because it can be changed into a prime (4082621813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146668 + ... + 2148568.

It is an arithmetic number, because the mean of its divisors is an integer number (111746304).

Almost surely, 2^4082621818 is an apocalyptic number.

4082621818 is a deficient number, since it is larger than the sum of its proper divisors (3069141638).

4082621818 is a wasteful number, since it uses less digits than its factorization.

4082621818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 4082621818 is about 63895.3974711794. The cubic root of 4082621818 is about 1598.2561492747.

The spelling of 4082621818 in words is "four billion, eighty-two million, six hundred twenty-one thousand, eight hundred eighteen".