605997872240 has 40 divisors (see below), whose sum is σ = 1409523653760. Its totient is φ = 242299604736.

The previous prime is 605997872231. The next prime is 605997872251. The reversal of 605997872240 is 42278799506.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 605997872240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359200 + ... + 1749119.

It is an arithmetic number, because the mean of its divisors is an integer number (35238091344).

Almost surely, 2^605997872240 is an apocalyptic number.

It is an amenable number.

605997872240 is an abundant number, since it is smaller than the sum of its proper divisors (803525781520).

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

605997872240 is a wasteful number, since it uses less digits than its factorization.

605997872240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110769 (or 3110763 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 605997872240 in words is "six hundred five billion, nine hundred ninety-seven million, eight hundred seventy-two thousand, two hundred forty".