405043434123355 has 8 divisors (see below), whose sum is σ = 486234916045200. Its totient is φ = 323912883900576.

The previous prime is 405043434123311. The next prime is 405043434123371. The reversal of 405043434123355 is 553321434340504.

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 405043434123355 - 2¹⁹ = 405043433599067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15232910140 + ... + 15232936729.

It is an arithmetic number, because the mean of its divisors is an integer number (60779364505650).

Almost surely, 2^{405043434123355} is an apocalyptic number.

405043434123355 is a deficient number, since it is larger than the sum of its proper divisors (81191481921845).

405043434123355 is a wasteful number, since it uses less digits than its factorization.

405043434123355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30465849533.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 405043434123355 its reverse (553321434340504), we get a palindrome (958364868463859).

The spelling of 405043434123355 in words is "four hundred five trillion, forty-three billion, four hundred thirty-four million, one hundred twenty-three thousand, three hundred fifty-five".