805450080 has 48 divisors (see below), whose sum is σ = 2537169264. Its totient is φ = 214786560.

The previous prime is 805450049. The next prime is 805450103. The reversal of 805450080 is 80054508.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 838531 + ... + 839490.

It is an arithmetic number, because the mean of its divisors is an integer number (52857693).

Almost surely, 2^805450080 is an apocalyptic number.

805450080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

805450080 is an abundant number, since it is smaller than the sum of its proper divisors (1731719184).

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

805450080 is a wasteful number, since it uses less digits than its factorization.

805450080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678039 (or 1678031 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 805450080 is about 28380.4524276834. The cubic root of 805450080 is about 930.4210834497.

The spelling of 805450080 in words is "eight hundred five million, four hundred fifty thousand, eighty".