404060243605 has 4 divisors (see below), whose sum is σ = 484872292332. Its totient is φ = 323248194880.

The previous prime is 404060243599. The next prime is 404060243651. The reversal of 404060243605 is 506342060404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320438641329 + 83621602276 = 566073^2 + 289174^2 .

It is not a de Polignac number, because 404060243605 - 2²⁵ = 404026689173 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 40406024356 + ... + 40406024365.

It is an arithmetic number, because the mean of its divisors is an integer number (121218073083).

Almost surely, 2^404060243605 is an apocalyptic number.

It is an amenable number.

404060243605 is a deficient number, since it is larger than the sum of its proper divisors (80812048727).

404060243605 is an equidigital number, since it uses as much as digits as its factorization.

404060243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80812048726.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 404060243605 in words is "four hundred four billion, sixty million, two hundred forty-three thousand, six hundred five".