605045920 has 48 divisors (see below), whose sum is σ = 1442576520. Its totient is φ = 239791104.

The previous prime is 605045893. The next prime is 605045921. The reversal of 605045920 is 29540506.

It can be written as a sum of positive squares in 4 ways, for example, as 556771216 + 48274704 = 23596^2 + 6948^2 .

It is not an unprimeable number, because it can be changed into a prime (605045921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 34786.

Almost surely, 2^605045920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605045920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721288260).

605045920 is an abundant number, since it is smaller than the sum of its proper divisors (837530600).

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

605045920 is a wasteful number, since it uses less digits than its factorization.

605045920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34817 (or 34809 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 605045920 is about 24597.6811915270. The cubic root of 605045920 is about 845.7904534602.

The spelling of 605045920 in words is "six hundred five million, forty-five thousand, nine hundred twenty".