405340211321042 has 8 divisors (see below), whose sum is σ = 618315576591600. Its totient is φ = 199235019123844.

The previous prime is 405340211321033. The next prime is 405340211321057. The reversal of 405340211321042 is 240123112043504.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717543268192 + ... + 1717543268427.

It is an arithmetic number, because the mean of its divisors is an integer number (77289447073950).

Almost surely, 2^{405340211321042} is an apocalyptic number.

405340211321042 is a deficient number, since it is larger than the sum of its proper divisors (212975365270558).

405340211321042 is a wasteful number, since it uses less digits than its factorization.

405340211321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435086536680.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 405340211321042 its reverse (240123112043504), we get a palindrome (645463323364546).

The spelling of 405340211321042 in words is "four hundred five trillion, three hundred forty billion, two hundred eleven million, three hundred twenty-one thousand, forty-two".