605049444 has 54 divisors (see below), whose sum is σ = 1580448870. Its totient is φ = 195166080.

The previous prime is 605049439. The next prime is 605049457. The reversal of 605049444 is 444940506.

605049444 is a `hidden beast` number, since 60 + 504 + 94 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 312228900 + 292820544 = 17670^2 + 17112^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 605049399 and 605049408.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25852 + ... + 43340.

Almost surely, 2^605049444 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 605049444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790224435).

605049444 is an abundant number, since it is smaller than the sum of its proper divisors (975399426).

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

605049444 is a wasteful number, since it uses less digits than its factorization.

605049444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561 (or 17525 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 605049444 is about 24597.7528241911. The cubic root of 605049444 is about 845.7920955173.

The spelling of 605049444 in words is "six hundred five million, forty-nine thousand, four hundred forty-four".