4080919728 has 40 divisors (see below), whose sum is σ = 10546140976. Its totient is φ = 1359820800.

The previous prime is 4080919723. The next prime is 4080919783. The reversal of 4080919728 is 8279190804.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4080919723) 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, 136188 + ... + 163428.

Almost surely, 2^4080919728 is an apocalyptic number.

4080919728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4080919728 is an abundant number, since it is smaller than the sum of its proper divisors (6465221248).

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

4080919728 is a wasteful number, since it uses less digits than its factorization.

4080919728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30373 (or 30367 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 4080919728 is about 63882.0767351845. The cubic root of 4080919728 is about 1598.0340082038.

The spelling of 4080919728 in words is "four billion, eighty million, nine hundred nineteen thousand, seven hundred twenty-eight".