4557444894 has 96 divisors (see below), whose sum is σ = 10492934400. Its totient is φ = 1426677120.

The previous prime is 4557444887. The next prime is 4557444959. The reversal of 4557444894 is 4984447554.

4557444894 is a `hidden beast` number, since 4 + 557 + 4 + 4 + 4 + 89 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4557444894.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 6595089 + ... + 6595779.

It is an arithmetic number, because the mean of its divisors is an integer number (109301400).

Almost surely, 2^4557444894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4557444894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5246467200).

4557444894 is an abundant number, since it is smaller than the sum of its proper divisors (5935489506).

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

4557444894 is a wasteful number, since it uses less digits than its factorization.

4557444894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The square root of 4557444894 is about 67508.8504864362. The cubic root of 4557444894 is about 1657.9590844252.

The spelling of 4557444894 in words is "four billion, five hundred fifty-seven million, four hundred forty-four thousand, eight hundred ninety-four".