605645012620 has 48 divisors (see below), whose sum is σ = 1316148069600. Its totient is φ = 233826682880.

The previous prime is 605645012611. The next prime is 605645012633. The reversal of 605645012620 is 26210546506.

It is a super-2 number, since 2×605645012620² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 605645012620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1592091 + ... + 1935469.

It is an arithmetic number, because the mean of its divisors is an integer number (27419751450).

Almost surely, 2^605645012620 is an apocalyptic number.

It is an amenable number.

605645012620 is an abundant number, since it is smaller than the sum of its proper divisors (710503056980).

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

605645012620 is a wasteful number, since it uses less digits than its factorization.

605645012620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346458 (or 346456 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 605645012620 in words is "six hundred five billion, six hundred forty-five million, twelve thousand, six hundred twenty".