4089956618 has 16 divisors (see below), whose sum is σ = 6700778784. Its totient is φ = 1856814960.

The previous prime is 4089956617. The next prime is 4089956639. The reversal of 4089956618 is 8166599804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4089956617) 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 7 ways as a sum of consecutive naturals, for example, 94205 + ... + 130592.

It is an arithmetic number, because the mean of its divisors is an integer number (418798674).

Almost surely, 2^4089956618 is an apocalyptic number.

4089956618 is a deficient number, since it is larger than the sum of its proper divisors (2610822166).

4089956618 is a wasteful number, since it uses less digits than its factorization.

4089956618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225637.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 4089956618 is about 63952.7686499967. The cubic root of 4089956618 is about 1599.2127139786.

The spelling of 4089956618 in words is "four billion, eighty-nine million, nine hundred fifty-six thousand, six hundred eighteen".