2805574540 has 24 divisors (see below), whose sum is σ = 5910664032. Its totient is φ = 1118618880.

The previous prime is 2805574507. The next prime is 2805574547. The reversal of 2805574540 is 454755082.

It is a junction number, because it is equal to n+sod(n) for n = 2805574493 and 2805574502.

It is not an unprimeable number, because it can be changed into a prime (2805574547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219309 + ... + 231748.

It is an arithmetic number, because the mean of its divisors is an integer number (246277668).

Almost surely, 2^2805574540 is an apocalyptic number.

2805574540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805574540 is an abundant number, since it is smaller than the sum of its proper divisors (3105089492).

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

2805574540 is a wasteful number, since it uses less digits than its factorization.

2805574540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451377 (or 451375 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 2805574540 is about 52967.6744817063. The cubic root of 2805574540 is about 1410.3944941807.

The spelling of 2805574540 in words is "two billion, eight hundred five million, five hundred seventy-four thousand, five hundred forty".