4068481320 has 48 divisors (see below), whose sum is σ = 13222565460. Its totient is φ = 1084928256.

The previous prime is 4068481237. The next prime is 4068481321. The reversal of 4068481320 is 231848604.

It can be written as a sum of positive squares in 2 ways, for example, as 4057944804 + 10536516 = 63702^2 + 3246^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4068481321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5650309 + ... + 5651028.

Almost surely, 2^4068481320 is an apocalyptic number.

4068481320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4068481320 is an abundant number, since it is smaller than the sum of its proper divisors (9154084140).

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

4068481320 is a wasteful number, since it uses less digits than its factorization.

4068481320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301354 (or 11301347 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4068481320 is about 63784.6479962067. The cubic root of 4068481320 is about 1596.4087840523.

The spelling of 4068481320 in words is "four billion, sixty-eight million, four hundred eighty-one thousand, three hundred twenty".