605140002644 has 12 divisors (see below), whose sum is σ = 1059459288468. Its totient is φ = 302437348800.

The previous prime is 605140002629. The next prime is 605140002653. The reversal of 605140002644 is 446200041506.

605140002644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 379123432900 + 226016569744 = 615730^2 + 475412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 605140002644.

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, 33152867 + ... + 33171114.

It is an arithmetic number, because the mean of its divisors is an integer number (88288274039).

Almost surely, 2^605140002644 is an apocalyptic number.

It is an amenable number.

605140002644 is a deficient number, since it is larger than the sum of its proper divisors (454319285824).

605140002644 is a wasteful number, since it uses less digits than its factorization.

605140002644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66326266 (or 66326264 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 605140002644 in words is "six hundred five billion, one hundred forty million, two thousand, six hundred forty-four".