808493240 has 32 divisors (see below), whose sum is σ = 1898203680. Its totient is φ = 309336192.

The previous prime is 808493173. The next prime is 808493251. The reversal of 808493240 is 42394808.

It is a super-2 number, since 2×808493240² = 1307322638251395200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808493194 and 808493203.

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, 438479 + ... + 440318.

It is an arithmetic number, because the mean of its divisors is an integer number (59318865).

Almost surely, 2^808493240 is an apocalyptic number.

It is an amenable number.

808493240 is an abundant number, since it is smaller than the sum of its proper divisors (1089710440).

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

808493240 is a wasteful number, since it uses less digits than its factorization.

808493240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878831 (or 878827 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 808493240 is about 28434.0155447661. The cubic root of 808493240 is about 931.5913863896.

The spelling of 808493240 in words is "eight hundred eight million, four hundred ninety-three thousand, two hundred forty".