605425644 has 48 divisors (see below), whose sum is σ = 1571136000. Its totient is φ = 201613968.

The previous prime is 605425631. The next prime is 605425649. The reversal of 605425644 is 446524506.

605425644 is a `hidden beast` number, since 6 + 0 + 5 + 4 + 2 + 5 + 644 = 666.

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 = 605425599 and 605425608.

It is not an unprimeable number, because it can be changed into a prime (605425649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149089 + ... + 153095.

It is an arithmetic number, because the mean of its divisors is an integer number (32732000).

Almost surely, 2^605425644 is an apocalyptic number.

It is an amenable number.

605425644 is an abundant number, since it is smaller than the sum of its proper divisors (965710356).

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

605425644 is a wasteful number, since it uses less digits than its factorization.

605425644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5411 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 605425644 is about 24605.3986759004. The cubic root of 605425644 is about 845.9673545071.

The spelling of 605425644 in words is "six hundred five million, four hundred twenty-five thousand, six hundred forty-four".