405335105052542 has 16 divisors (see below), whose sum is σ = 694878736819200. Its totient is φ = 173710405840248.

The previous prime is 405335105052533. The next prime is 405335105052641. The reversal of 405335105052542 is 245250501533504.

It is a junction number, because it is equal to n+sod(n) for n = 405335105052493 and 405335105052502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386055542 + ... + 387104057.

It is an arithmetic number, because the mean of its divisors is an integer number (43429921051200).

Almost surely, 2^{405335105052542} is an apocalyptic number.

405335105052542 is a deficient number, since it is larger than the sum of its proper divisors (289543631766658).

405335105052542 is a wasteful number, since it uses less digits than its factorization.

405335105052542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773197055.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 405335105052542 in words is "four hundred five trillion, three hundred thirty-five billion, one hundred five million, fifty-two thousand, five hundred forty-two".