606244205640 has 128 divisors (see below), whose sum is σ = 1871302849920. Its totient is φ = 157026969600.

The previous prime is 606244205627. The next prime is 606244205641. The reversal of 606244205640 is 46502442606.

It is not an unprimeable number, because it can be changed into a prime (606244205641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845430 + ... + 1388250.

It is an arithmetic number, because the mean of its divisors is an integer number (14619553515).

Almost surely, 2^606244205640 is an apocalyptic number.

606244205640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606244205640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935651424960).

606244205640 is an abundant number, since it is smaller than the sum of its proper divisors (1265058644280).

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

606244205640 is a wasteful number, since it uses less digits than its factorization.

606244205640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543103 (or 543099 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 606244205640 in words is "six hundred six billion, two hundred forty-four million, two hundred five thousand, six hundred forty".