2805405504 has 56 divisors (see below), whose sum is σ = 8097426528. Its totient is φ = 850122240.

The previous prime is 2805405497. The next prime is 2805405529. The reversal of 2805405504 is 4055045082.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662047 + ... + 666270.

Almost surely, 2^2805405504 is an apocalyptic number.

2805405504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2805405504 is an abundant number, since it is smaller than the sum of its proper divisors (5292021024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2805405504 is a wasteful number, since it uses less digits than its factorization.

2805405504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328343 (or 1328333 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 2805405504 is about 52966.0788052127. The cubic root of 2805405504 is about 1410.3661681666.

The spelling of 2805405504 in words is "two billion, eight hundred five million, four hundred five thousand, five hundred four".