4065728090 has 16 divisors (see below), whose sum is σ = 7322623560. Its totient is φ = 1625332800.

The previous prime is 4065728083. The next prime is 4065728099. The reversal of 4065728090 is 908275604.

4065728090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3207296689 + 858431401 = 56633^2 + 29299^2 .

It is not an unprimeable number, because it can be changed into a prime (4065728099) 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, 101861 + ... + 136040.

Almost surely, 2^4065728090 is an apocalyptic number.

4065728090 is a deficient number, since it is larger than the sum of its proper divisors (3256895470).

4065728090 is a wasteful number, since it uses less digits than its factorization.

4065728090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239617.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 4065728090 is about 63763.0621127938. The cubic root of 4065728090 is about 1596.0485945824.

The spelling of 4065728090 in words is "four billion, sixty-five million, seven hundred twenty-eight thousand, ninety".