462644660644 has 6 divisors (see below), whose sum is σ = 809628156134. Its totient is φ = 231322330320.

The previous prime is 462644660593. The next prime is 462644660657. The reversal of 462644660644 is 446066446264.

It can be written as a sum of positive squares in only one way, i.e., 422279028900 + 40365631744 = 649830^2 + 200912^2 .

It is a super-3 number, since 3×462644660644³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 462644660591 and 462644660600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57830582577 + ... + 57830582584.

Almost surely, 2^462644660644 is an apocalyptic number.

It is an amenable number.

462644660644 is a deficient number, since it is larger than the sum of its proper divisors (346983495490).

462644660644 is a wasteful number, since it uses less digits than its factorization.

462644660644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115661165165 (or 115661165163 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 52.

The spelling of 462644660644 in words is "four hundred sixty-two billion, six hundred forty-four million, six hundred sixty thousand, six hundred forty-four".