4479188994 has 96 divisors (see below), whose sum is σ = 11428899456. Its totient is φ = 1241049600.

The previous prime is 4479188921. The next prime is 4479189017. The reversal of 4479188994 is 4998819744.

It is a happy number.

4479188994 is a `hidden beast` number, since 447 + 9 + 188 + 9 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1569669 + ... + 1572519.

It is an arithmetic number, because the mean of its divisors is an integer number (119051036).

Almost surely, 2^4479188994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4479188994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5714449728).

4479188994 is an abundant number, since it is smaller than the sum of its proper divisors (6949710462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4479188994 is a wasteful number, since it uses less digits than its factorization.

4479188994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3237 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 4479188994 is about 66926.7434886832. The cubic root of 4479188994 is about 1648.4146381135.

The spelling of 4479188994 in words is "four billion, four hundred seventy-nine million, one hundred eighty-eight thousand, nine hundred ninety-four".