485658459664 has 45 divisors (see below), whose sum is σ = 1094633901837. Its totient is φ = 208130977152.

The previous prime is 485658459619. The next prime is 485658459677. The reversal of 485658459664 is 466954856584.

It is a happy number.

The square root of 485658459664 is 696892.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1910389264 + 483748070400 = 43708^2 + 695520^2 .

It is a super-2 number, since 2×485658459664² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 485658459593 and 485658459602.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19500532 + ... + 19525420.

Almost surely, 2^485658459664 is an apocalyptic number.

485658459664 is the 696892-nd square number.

It is an amenable number.

485658459664 is an abundant number, since it is smaller than the sum of its proper divisors (608975442173).

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

485658459664 is an frugal number, since it uses more digits than its factorization.

485658459664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49800 (or 24898 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 70.

The spelling of 485658459664 in words is "four hundred eighty-five billion, six hundred fifty-eight million, four hundred fifty-nine thousand, six hundred sixty-four".