4778441264 has 20 divisors (see below), whose sum is σ = 9263343120. Its totient is φ = 2387901120.

The previous prime is 4778441231. The next prime is 4778441267. The reversal of 4778441264 is 4621448774.

It is not an unprimeable number, because it can be changed into a prime (4778441267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52259 + ... + 110850.

It is an arithmetic number, because the mean of its divisors is an integer number (463167156).

Almost surely, 2^4778441264 is an apocalyptic number.

It is an amenable number.

4778441264 is a deficient number, since it is larger than the sum of its proper divisors (4484901856).

4778441264 is a wasteful number, since it uses less digits than its factorization.

4778441264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164948 (or 164942 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 47.

The square root of 4778441264 is about 69126.2704331718. The cubic root of 4778441264 is about 1684.3360759918.

The spelling of 4778441264 in words is "four billion, seven hundred seventy-eight million, four hundred forty-one thousand, two hundred sixty-four".