818269340 has 24 divisors (see below), whose sum is σ = 1963846752. Its totient is φ = 280549440.

The previous prime is 818269297. The next prime is 818269343. The reversal of 818269340 is 43962818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818269343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922251 + ... + 2922530.

It is an arithmetic number, because the mean of its divisors is an integer number (81826948).

Almost surely, 2^818269340 is an apocalyptic number.

It is an amenable number.

818269340 is an abundant number, since it is smaller than the sum of its proper divisors (1145577412).

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

818269340 is a wasteful number, since it uses less digits than its factorization.

818269340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844797 (or 5844795 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 818269340 is about 28605.4075307450. The cubic root of 818269340 is about 935.3312104070.

The spelling of 818269340 in words is "eight hundred eighteen million, two hundred sixty-nine thousand, three hundred forty".