405261604022 has 16 divisors (see below), whose sum is σ = 663359454144. Its totient is φ = 184153125000.

The previous prime is 405261604021. The next prime is 405261604031. The reversal of 405261604022 is 220406162504.

It is a self number, because there is not a number n which added to its sum of digits gives 405261604022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405261604021) by changing a digit.

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, 2761604 + ... + 2904647.

It is an arithmetic number, because the mean of its divisors is an integer number (41459965884).

Almost surely, 2^405261604022 is an apocalyptic number.

405261604022 is a deficient number, since it is larger than the sum of its proper divisors (258097850122).

405261604022 is a wasteful number, since it uses less digits than its factorization.

405261604022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669515.

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

Adding to 405261604022 its reverse (220406162504), we get a palindrome (625667766526).

The spelling of 405261604022 in words is "four hundred five billion, two hundred sixty-one million, six hundred four thousand, twenty-two".