808427340 has 144 divisors (see below), whose sum is σ = 2871086400. Its totient is φ = 180264960.

The previous prime is 808427311. The next prime is 808427357. The reversal of 808427340 is 43724808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 808427295 and 808427304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43836 + ... + 59484.

It is an arithmetic number, because the mean of its divisors is an integer number (19938100).

Almost surely, 2^808427340 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 808427340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435543200).

808427340 is an abundant number, since it is smaller than the sum of its proper divisors (2062659060).

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

808427340 is a wasteful number, since it uses less digits than its factorization.

808427340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712 (or 15707 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 808427340 is about 28432.8566978417. The cubic root of 808427340 is about 931.5660744730.

The spelling of 808427340 in words is "eight hundred eight million, four hundred twenty-seven thousand, three hundred forty".