805329340 has 12 divisors (see below), whose sum is σ = 1691191656. Its totient is φ = 322131728.

The previous prime is 805329323. The next prime is 805329341. The reversal of 805329340 is 43923508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 805329296 and 805329305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805329341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20133214 + ... + 20133253.

It is an arithmetic number, because the mean of its divisors is an integer number (140932638).

Almost surely, 2^805329340 is an apocalyptic number.

It is an amenable number.

805329340 is an abundant number, since it is smaller than the sum of its proper divisors (885862316).

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

805329340 is a wasteful number, since it uses less digits than its factorization.

805329340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40266476 (or 40266474 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 805329340 is about 28378.3251796155. The cubic root of 805329340 is about 930.3745899184.

The spelling of 805329340 in words is "eight hundred five million, three hundred twenty-nine thousand, three hundred forty".