461043872258 has 18 divisors (see below), whose sum is σ = 704938232649. Its totient is φ = 226147499032.

The previous prime is 461043872249. The next prime is 461043872293. The reversal of 461043872258 is 852278340164.

It can be written as a sum of positive squares in 2 ways, for example, as 437326948249 + 23716924009 = 661307^2 + 154003^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=480127.

It is a super-2 number, since 2×461043872258² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50888933 + ... + 50897991.

Almost surely, 2^461043872258 is an apocalyptic number.

461043872258 is a deficient number, since it is larger than the sum of its proper divisors (243894360391).

461043872258 is an frugal number, since it uses more digits than its factorization.

461043872258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18226 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

Multiplying 461043872258 by its sum of digits (50), we get a square (23052193612900 = 4801270²).

The spelling of 461043872258 in words is "four hundred sixty-one billion, forty-three million, eight hundred seventy-two thousand, two hundred fifty-eight".