405141405 has 16 divisors (see below), whose sum is σ = 648654720. Its totient is φ = 215932608.

The previous prime is 405141403. The next prime is 405141413. The reversal of 405141405 is 504141504.

It is a happy number.

It is not a de Polignac number, because 405141405 - 2¹ = 405141403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405141403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16944 + ... + 33126.

It is an arithmetic number, because the mean of its divisors is an integer number (40540920).

Almost surely, 2^405141405 is an apocalyptic number.

It is an amenable number.

405141405 is a deficient number, since it is larger than the sum of its proper divisors (243513315).

405141405 is a wasteful number, since it uses less digits than its factorization.

405141405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17860.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 405141405 is about 20128.1247263624. The cubic root of 405141405 is about 739.9497196175.

Adding to 405141405 its reverse (504141504), we get a palindrome (909282909).

Subtracting 405141405 from its reverse (504141504), we obtain a palindrome (99000099).

The spelling of 405141405 in words is "four hundred five million, one hundred forty-one thousand, four hundred five".