805268540 has 24 divisors (see below), whose sum is σ = 1694407680. Its totient is φ = 321470528.

The previous prime is 805268537. The next prime is 805268579. The reversal of 805268540 is 45862508.

It is a junction number, because it is equal to n+sod(n) for n = 805268494 and 805268503.

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, 29372 + ... + 49731.

It is an arithmetic number, because the mean of its divisors is an integer number (70600320).

Almost surely, 2^805268540 is an apocalyptic number.

It is an amenable number.

805268540 is an abundant number, since it is smaller than the sum of its proper divisors (889139140).

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

805268540 is a wasteful number, since it uses less digits than its factorization.

805268540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79621 (or 79619 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 805268540 is about 28377.2539192925. The cubic root of 805268540 is about 930.3511758128.

The spelling of 805268540 in words is "eight hundred five million, two hundred sixty-eight thousand, five hundred forty".