405245134330312 has 32 divisors (see below), whose sum is σ = 761968465084800. Its totient is φ = 202053569284224.

The previous prime is 405245134330303. The next prime is 405245134330331. The reversal of 405245134330312 is 213033431542504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126645988 + ... + 129806380.

It is an arithmetic number, because the mean of its divisors is an integer number (23811514533900).

Almost surely, 2^{405245134330312} is an apocalyptic number.

It is an amenable number.

405245134330312 is a deficient number, since it is larger than the sum of its proper divisors (356723330754488).

405245134330312 is a wasteful number, since it uses less digits than its factorization.

405245134330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205405 (or 3205401 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 405245134330312 its reverse (213033431542504), we get a palindrome (618278565872816).

The spelling of 405245134330312 in words is "four hundred five trillion, two hundred forty-five billion, one hundred thirty-four million, three hundred thirty thousand, three hundred twelve".