605534344640 has 112 divisors (see below), whose sum is σ = 1465790515200. Its totient is φ = 238237949952.

The previous prime is 605534344619. The next prime is 605534344687. The reversal of 605534344640 is 46443435506.

It is a junction number, because it is equal to n+sod(n) for n = 605534344591 and 605534344600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4715201 + ... + 4841919.

Almost surely, 2^605534344640 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 605534344640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732895257600).

605534344640 is an abundant number, since it is smaller than the sum of its proper divisors (860256170560).

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

605534344640 is a wasteful number, since it uses less digits than its factorization.

605534344640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126982 (or 126972 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 605534344640 in words is "six hundred five billion, five hundred thirty-four million, three hundred forty-four thousand, six hundred forty".