606747685440 has 336 divisors, whose sum is σ = 2203837941312. Its totient is φ = 140566953984.

The previous prime is 606747685421. The next prime is 606747685447. The reversal of 606747685440 is 44586747606.

It is not an unprimeable number, because it can be changed into a prime (606747685447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3522607 + ... + 3690833.

It is an arithmetic number, because the mean of its divisors is an integer number (6559041492).

Almost surely, 2^606747685440 is an apocalyptic number.

606747685440 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 606747685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101918970656).

606747685440 is an abundant number, since it is smaller than the sum of its proper divisors (1597090255872).

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

606747685440 is a wasteful number, since it uses less digits than its factorization.

606747685440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168294 (or 168267 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 606747685440 in words is "six hundred six billion, seven hundred forty-seven million, six hundred eighty-five thousand, four hundred forty".