45055888618 has 16 divisors (see below), whose sum is σ = 74155847976. Its totient is φ = 20402665920.

The previous prime is 45055888589. The next prime is 45055888637. The reversal of 45055888618 is 81688855054.

It can be written as a sum of positive squares in 4 ways, for example, as 20562699609 + 24493189009 = 143397^2 + 156503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16346913 + ... + 16349668.

Almost surely, 2^45055888618 is an apocalyptic number.

45055888618 is a deficient number, since it is larger than the sum of its proper divisors (29099959358).

45055888618 is a wasteful number, since it uses less digits than its factorization.

45055888618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32696649.

The product of its (nonzero) digits is 12288000, while the sum is 58.

The spelling of 45055888618 in words is "forty-five billion, fifty-five million, eight hundred eighty-eight thousand, six hundred eighteen".