605315340 has 72 divisors (see below), whose sum is σ = 2098430880. Its totient is φ = 138357504.

The previous prime is 605315329. The next prime is 605315341. The reversal of 605315340 is 43513506.

605315340 is a `hidden beast` number, since 6 + 0 + 5 + 315 + 340 = 666.

It is not an unprimeable number, because it can be changed into a prime (605315341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238945 + ... + 241464.

Almost surely, 2^605315340 is an apocalyptic number.

605315340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

605315340 is an abundant number, since it is smaller than the sum of its proper divisors (1493115540).

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

605315340 is a wasteful number, since it uses less digits than its factorization.

605315340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480431 (or 480426 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 605315340 is about 24603.1571144843. The cubic root of 605315340 is about 845.9159750897.

Adding to 605315340 its reverse (43513506), we get a palindrome (648828846).

The spelling of 605315340 in words is "six hundred five million, three hundred fifteen thousand, three hundred forty".