4780944720 has 120 divisors (see below), whose sum is σ = 16236628200. Its totient is φ = 1260576768.

The previous prime is 4780944667. The next prime is 4780944737. The reversal of 4780944720 is 274490874.

It can be written as a sum of positive squares in 4 ways, for example, as 930494016 + 3850450704 = 30504^2 + 62052^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26776 + ... + 101384.

It is an arithmetic number, because the mean of its divisors is an integer number (135305235).

Almost surely, 2^4780944720 is an apocalyptic number.

4780944720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780944720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8118314100).

4780944720 is an abundant number, since it is smaller than the sum of its proper divisors (11455683480).

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

4780944720 is a wasteful number, since it uses less digits than its factorization.

4780944720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74717 (or 74708 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 4780944720 is about 69144.3759101201. The cubic root of 4780944720 is about 1684.6301694600.

It can be divided in two parts, 47809 and 44720, that added together give a palindrome (92529).

The spelling of 4780944720 in words is "four billion, seven hundred eighty million, nine hundred forty-four thousand, seven hundred twenty".