4455668998 has 16 divisors (see below), whose sum is σ = 7526292480. Its totient is φ = 1959971400.

The previous prime is 4455668989. The next prime is 4455668999. The reversal of 4455668998 is 8998665544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455668999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265938 + ... + 3267301.

It is an arithmetic number, because the mean of its divisors is an integer number (470393280).

Almost surely, 2^4455668998 is an apocalyptic number.

4455668998 is a deficient number, since it is larger than the sum of its proper divisors (3070623482).

4455668998 is a wasteful number, since it uses less digits than its factorization.

4455668998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533283.

The product of its digits is 74649600, while the sum is 64.

The square root of 4455668998 is about 66750.7977330608. The cubic root of 4455668998 is about 1645.5243257962.

The spelling of 4455668998 in words is "four billion, four hundred fifty-five million, six hundred sixty-eight thousand, nine hundred ninety-eight".