405281310052 has 24 divisors (see below), whose sum is σ = 765598881600. Its totient is φ = 187146390816.

The previous prime is 405281310043. The next prime is 405281310097. The reversal of 405281310052 is 250013182504.

It is a junction number, because it is equal to n+sod(n) for n = 405281309996 and 405281310023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75949602 + ... + 75954937.

It is an arithmetic number, because the mean of its divisors is an integer number (31899953400).

Almost surely, 2^405281310052 is an apocalyptic number.

It is an amenable number.

405281310052 is a deficient number, since it is larger than the sum of its proper divisors (360317571548).

405281310052 is a wasteful number, since it uses less digits than its factorization.

405281310052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151904595 (or 151904593 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 405281310052 its reverse (250013182504), we get a palindrome (655294492556).

The spelling of 405281310052 in words is "four hundred five billion, two hundred eighty-one million, three hundred ten thousand, fifty-two".