805098480 has 80 divisors (see below), whose sum is σ = 2527457280. Its totient is φ = 211970304.

The previous prime is 805098467. The next prime is 805098487. The reversal of 805098480 is 84890508.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805098487) 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, 2272 + ... + 40191.

It is an arithmetic number, because the mean of its divisors is an integer number (31593216).

Almost surely, 2^805098480 is an apocalyptic number.

805098480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805098480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263728640).

805098480 is an abundant number, since it is smaller than the sum of its proper divisors (1722358800).

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

805098480 is a wasteful number, since it uses less digits than its factorization.

805098480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42558 (or 42552 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 805098480 is about 28374.2573471095. The cubic root of 805098480 is about 930.2856793761.

The spelling of 805098480 in words is "eight hundred five million, ninety-eight thousand, four hundred eighty".