617284068340 has 12 divisors (see below), whose sum is σ = 1296296543556. Its totient is φ = 246913627328.

The previous prime is 617284068311. The next prime is 617284068353. The reversal of 617284068340 is 43860482716.

It can be written as a sum of positive squares in 2 ways, for example, as 152820010084 + 464464058256 = 390922^2 + 681516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15432101689 + ... + 15432101728.

It is an arithmetic number, because the mean of its divisors is an integer number (108024711963).

Almost surely, 2^617284068340 is an apocalyptic number.

It is an amenable number.

617284068340 is an abundant number, since it is smaller than the sum of its proper divisors (679012475216).

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

617284068340 is a wasteful number, since it uses less digits than its factorization.

617284068340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864203426 (or 30864203424 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 617284068340 in words is "six hundred seventeen billion, two hundred eighty-four million, sixty-eight thousand, three hundred forty".