4120000405 has 16 divisors (see below), whose sum is σ = 5236331184. Its totient is φ = 3101224960.

The previous prime is 4120000403. The next prime is 4120000429. The reversal of 4120000405 is 5040000214.

It can be written as a sum of positive squares in 8 ways, for example, as 16573041 + 4103427364 = 4071^2 + 64058^2 .

It is not a de Polignac number, because 4120000405 - 2¹ = 4120000403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120000403) 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, 550569 + ... + 558001.

It is an arithmetic number, because the mean of its divisors is an integer number (327270699).

Almost surely, 2^4120000405 is an apocalyptic number.

It is an amenable number.

4120000405 is a deficient number, since it is larger than the sum of its proper divisors (1116330779).

4120000405 is a wasteful number, since it uses less digits than its factorization.

4120000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4120000405 is about 64187.2292983581. The cubic root of 4120000405 is about 1603.1189688047.

Adding to 4120000405 its reverse (5040000214), we get a palindrome (9160000619).

The spelling of 4120000405 in words is "four billion, one hundred twenty million, four hundred five", and thus it is an aban number.