805368921280 has 112 divisors (see below), whose sum is σ = 2391004429056. Its totient is φ = 251024071680.

The previous prime is 805368921233. The next prime is 805368921289. The reversal of 805368921280 is 82129863508.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (805368921289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16318074 + ... + 16367353.

Almost surely, 2^805368921280 is an apocalyptic number.

805368921280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

805368921280 is an abundant number, since it is smaller than the sum of its proper divisors (1585635507776).

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

805368921280 is a wasteful number, since it uses less digits than its factorization.

805368921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32685462 (or 32685452 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 805368921280 in words is "eight hundred five billion, three hundred sixty-eight million, nine hundred twenty-one thousand, two hundred eighty".