2805471405 has 48 divisors (see below), whose sum is σ = 5310489600. Its totient is φ = 1358793600.

The previous prime is 2805471373. The next prime is 2805471457. The reversal of 2805471405 is 5041745082.

It is not a de Polignac number, because 2805471405 - 2⁵ = 2805471373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2805471405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 582196 + ... + 586994.

It is an arithmetic number, because the mean of its divisors is an integer number (110635200).

Almost surely, 2^2805471405 is an apocalyptic number.

It is an amenable number.

2805471405 is a deficient number, since it is larger than the sum of its proper divisors (2505018195).

2805471405 is a wasteful number, since it uses less digits than its factorization.

2805471405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2805471405 is about 52966.7009072681. The cubic root of 2805471405 is about 1410.3772115865.

The spelling of 2805471405 in words is "two billion, eight hundred five million, four hundred seventy-one thousand, four hundred five".