4771278144 has 84 divisors (see below), whose sum is σ = 13699330996. Its totient is φ = 1587714048.

The previous prime is 4771278133. The next prime is 4771278203. The reversal of 4771278144 is 4418721774.

It can be written as a sum of positive squares in 2 ways, for example, as 847508544 + 3923769600 = 29112^2 + 62640^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4771278144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346332 + ... + 359844.

Almost surely, 2^4771278144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4771278144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6849665498).

4771278144 is an abundant number, since it is smaller than the sum of its proper divisors (8928052852).

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

4771278144 is a wasteful number, since it uses less digits than its factorization.

4771278144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14144 (or 14131 counting only the distinct ones).

The product of its digits is 351232, while the sum is 45.

The square root of 4771278144 is about 69074.4391508176. The cubic root of 4771278144 is about 1683.4940207050.

The spelling of 4771278144 in words is "four billion, seven hundred seventy-one million, two hundred seventy-eight thousand, one hundred forty-four".