610861045072 has 40 divisors (see below), whose sum is σ = 1238111994600. Its totient is φ = 291584950272.

The previous prime is 610861045057. The next prime is 610861045133. The reversal of 610861045072 is 270540168016.

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 610861043776 = 36^2 + 781576^2 .

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 7 ways as a sum of consecutive naturals, for example, 7354833 + ... + 7437424.

It is an arithmetic number, because the mean of its divisors is an integer number (30952799865).

Almost surely, 2^610861045072 is an apocalyptic number.

It is an amenable number.

610861045072 is an abundant number, since it is smaller than the sum of its proper divisors (627250949528).

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

610861045072 is a wasteful number, since it uses less digits than its factorization.

610861045072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792383 (or 14792377 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 610861045072 in words is "six hundred ten billion, eight hundred sixty-one million, forty-five thousand, seventy-two".