4985445894 has 64 divisors (see below), whose sum is σ = 11845854720. Its totient is φ = 1378840320.

The previous prime is 4985445869. The next prime is 4985445923.

It is a happy number.

4985445894 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43719 + ... + 109005.

It is an arithmetic number, because the mean of its divisors is an integer number (185091480).

Almost surely, 2^4985445894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4985445894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5922927360).

4985445894 is an abundant number, since it is smaller than the sum of its proper divisors (6860408826).

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

4985445894 is a wasteful number, since it uses less digits than its factorization.

4985445894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65405.

The product of its digits is 33177600, while the sum is 60.

The square root of 4985445894 is about 70607.6900486059. The cubic root of 4985445894 is about 1708.3151894981.

The spelling of 4985445894 in words is "four billion, nine hundred eighty-five million, four hundred forty-five thousand, eight hundred ninety-four".