808681340 has 48 divisors (see below), whose sum is σ = 1719283104. Its totient is φ = 319488000.

The previous prime is 808681339. The next prime is 808681369. The reversal of 808681340 is 43186808.

It is a junction number, because it is equal to n+sod(n) for n = 808681294 and 808681303.

It is a congruent number.

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, 672740 + ... + 673940.

It is an arithmetic number, because the mean of its divisors is an integer number (35818398).

Almost surely, 2^808681340 is an apocalyptic number.

It is an amenable number.

808681340 is an abundant number, since it is smaller than the sum of its proper divisors (910601764).

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

808681340 is a wasteful number, since it uses less digits than its factorization.

808681340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 808681340 is about 28437.3230104382. The cubic root of 808681340 is about 931.6636272542.

The spelling of 808681340 in words is "eight hundred eight million, six hundred eighty-one thousand, three hundred forty".