4481978092 has 48 divisors (see below), whose sum is σ = 8151736320. Its totient is φ = 2154824000.

The previous prime is 4481978089. The next prime is 4481978093. The reversal of 4481978092 is 2908791844.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4481978093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393342 + ... + 6394042.

It is an arithmetic number, because the mean of its divisors is an integer number (169827840).

Almost surely, 2^4481978092 is an apocalyptic number.

It is an amenable number.

4481978092 is a deficient number, since it is larger than the sum of its proper divisors (3669758228).

4481978092 is a wasteful number, since it uses less digits than its factorization.

4481978092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 4481978092 is about 66947.5771929052. The cubic root of 4481978092 is about 1648.7567116474.

The spelling of 4481978092 in words is "four billion, four hundred eighty-one million, nine hundred seventy-eight thousand, ninety-two".