605426780 has 96 divisors (see below), whose sum is σ = 1551384576. Its totient is φ = 193729536.

The previous prime is 605426777. The next prime is 605426803. The reversal of 605426780 is 87624506.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 301259 + ... + 303261.

It is an arithmetic number, because the mean of its divisors is an integer number (16160256).

Almost surely, 2^605426780 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 605426780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775692288).

605426780 is an abundant number, since it is smaller than the sum of its proper divisors (945957796).

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

605426780 is a wasteful number, since it uses less digits than its factorization.

605426780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 605426780 is about 24605.4217602544. The cubic root of 605426780 is about 845.9678836215.

The spelling of 605426780 in words is "six hundred five million, four hundred twenty-six thousand, seven hundred eighty".