4581278112 has 48 divisors (see below), whose sum is σ = 12120579072. Its totient is φ = 1515064320.

The previous prime is 4581278111. The next prime is 4581278129. The reversal of 4581278112 is 2118721854.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (4581278111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175689 + ... + 200072.

It is an arithmetic number, because the mean of its divisors is an integer number (252512064).

Almost surely, 2^4581278112 is an apocalyptic number.

It is an amenable number.

4581278112 is an abundant number, since it is smaller than the sum of its proper divisors (7539300960).

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

4581278112 is a wasteful number, since it uses less digits than its factorization.

4581278112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375901 (or 375893 counting only the distinct ones).

The product of its digits is 35840, while the sum is 39.

The square root of 4581278112 is about 67685.1395211682. The cubic root of 4581278112 is about 1660.8441673390.

Adding to 4581278112 its reverse (2118721854), we get a palindrome (6699999966).

The spelling of 4581278112 in words is "four billion, five hundred eighty-one million, two hundred seventy-eight thousand, one hundred twelve".