405085038752 has 12 divisors (see below), whose sum is σ = 797511170106. Its totient is φ = 202542519360.

The previous prime is 405085038739. The next prime is 405085038763. The reversal of 405085038752 is 257830580504.

It can be written as a sum of positive squares in only one way, i.e., 346115715856 + 58969322896 = 588316^2 + 242836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 405085038697 and 405085038706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6329453699 + ... + 6329453762.

Almost surely, 2^405085038752 is an apocalyptic number.

It is an amenable number.

405085038752 is a deficient number, since it is larger than the sum of its proper divisors (392426131354).

405085038752 is a wasteful number, since it uses less digits than its factorization.

405085038752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658907471 (or 12658907463 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 405085038752 in words is "four hundred five billion, eighty-five million, thirty-eight thousand, seven hundred fifty-two".