28568041618 has 8 divisors (see below), whose sum is σ = 44715195648. Its totient is φ = 13662976404.

The previous prime is 28568041583. The next prime is 28568041639. The reversal of 28568041618 is 81614086582.

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

It is a super-2 number, since 2×28568041618² (a number of 22 digits) contains 22 as substring.

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, 310522146 + ... + 310522237.

It is an arithmetic number, because the mean of its divisors is an integer number (5589399456).

Almost surely, 2^28568041618 is an apocalyptic number.

28568041618 is a deficient number, since it is larger than the sum of its proper divisors (16147154030).

28568041618 is a wasteful number, since it uses less digits than its factorization.

28568041618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621044408.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 28568041618 in words is "twenty-eight billion, five hundred sixty-eight million, forty-one thousand, six hundred eighteen".