605440506 has 16 divisors (see below), whose sum is σ = 1320961248. Its totient is φ = 183466800.

The previous prime is 605440487. The next prime is 605440531. The reversal of 605440506 is 605044506.

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, 4586605 + ... + 4586736.

It is an arithmetic number, because the mean of its divisors is an integer number (82560078).

Almost surely, 2^605440506 is an apocalyptic number.

605440506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

605440506 is an abundant number, since it is smaller than the sum of its proper divisors (715520742).

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

605440506 is a wasteful number, since it uses less digits than its factorization.

605440506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173357.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 605440506 is about 24605.7006809398. The cubic root of 605440506 is about 845.9742767246.

The spelling of 605440506 in words is "six hundred five million, four hundred forty thousand, five hundred six".