2405420405 has 16 divisors (see below), whose sum is σ = 2907515520. Its totient is φ = 1910359872.

The previous prime is 2405420401. The next prime is 2405420411. The reversal of 2405420405 is 5040245042.

It is a cyclic number.

It is not a de Polignac number, because 2405420405 - 2² = 2405420401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405420401) 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, 931406 + ... + 933984.

It is an arithmetic number, because the mean of its divisors is an integer number (181719720).

Almost surely, 2^2405420405 is an apocalyptic number.

It is an amenable number.

2405420405 is a deficient number, since it is larger than the sum of its proper divisors (502095115).

2405420405 is a wasteful number, since it uses less digits than its factorization.

2405420405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2405420405 is about 49045.0854316719. The cubic root of 2405420405 is about 1339.8730861089.

Adding to 2405420405 its reverse (5040245042), we get a palindrome (7445665447).

The spelling of 2405420405 in words is "two billion, four hundred five million, four hundred twenty thousand, four hundred five".