808255240 has 64 divisors (see below), whose sum is σ = 2000194560. Its totient is φ = 292074240.

The previous prime is 808255229. The next prime is 808255277. The reversal of 808255240 is 42552808.

It is a junction number, because it is equal to n+sod(n) for n = 808255196 and 808255205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7905 + ... + 40975.

It is an arithmetic number, because the mean of its divisors is an integer number (31253040).

Almost surely, 2^808255240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808255240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000097280).

808255240 is an abundant number, since it is smaller than the sum of its proper divisors (1191939320).

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

808255240 is a wasteful number, since it uses less digits than its factorization.

808255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33142 (or 33138 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 808255240 is about 28429.8301085321. The cubic root of 808255240 is about 931.4999650894.

The spelling of 808255240 in words is "eight hundred eight million, two hundred fifty-five thousand, two hundred forty".