2405404405 has 8 divisors (see below), whose sum is σ = 2913462432. Its totient is φ = 1906338768.

The previous prime is 2405404381. The next prime is 2405404411. The reversal of 2405404405 is 5044045042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2405404405 - 2⁹ = 2405403893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247507 + ... + 2248576.

It is an arithmetic number, because the mean of its divisors is an integer number (364182804).

Almost surely, 2^2405404405 is an apocalyptic number.

It is an amenable number.

2405404405 is a deficient number, since it is larger than the sum of its proper divisors (508058027).

2405404405 is a wasteful number, since it uses less digits than its factorization.

2405404405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496195.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2405404405 is about 49044.9223161787. The cubic root of 2405404405 is about 1339.8701153161.

Adding to 2405404405 its reverse (5044045042), we get a palindrome (7449449447).

The spelling of 2405404405 in words is "two billion, four hundred five million, four hundred four thousand, four hundred five".