2805405485 has 16 divisors (see below), whose sum is σ = 3414576000. Its totient is φ = 2212474176.

The previous prime is 2805405469. The next prime is 2805405497. The reversal of 2805405485 is 5845045082.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2805405485 - 2⁴ = 2805405469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95522 + ... + 121388.

It is an arithmetic number, because the mean of its divisors is an integer number (213411000).

Almost surely, 2^2805405485 is an apocalyptic number.

It is an amenable number.

2805405485 is a deficient number, since it is larger than the sum of its proper divisors (609170515).

2805405485 is a wasteful number, since it uses less digits than its factorization.

2805405485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26180.

The product of its (nonzero) digits is 256000, while the sum is 41.

The square root of 2805405485 is about 52966.0786258526. The cubic root of 2805405485 is about 1410.3661649827.

The spelling of 2805405485 in words is "two billion, eight hundred five million, four hundred five thousand, four hundred eighty-five".