461461830081 has 40 divisors (see below), whose sum is σ = 734480012640. Its totient is φ = 257559918336.

The previous prime is 461461830073. The next prime is 461461830091. The reversal of 461461830081 is 180038164164.

It is not a de Polignac number, because 461461830081 - 2³ = 461461830073 is a prime.

It is a super-2 number, since 2×461461830081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461461830091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 435216 + ... + 1054673.

It is an arithmetic number, because the mean of its divisors is an integer number (18362000316).

Almost surely, 2^461461830081 is an apocalyptic number.

It is an amenable number.

461461830081 is a deficient number, since it is larger than the sum of its proper divisors (273018182559).

461461830081 is an equidigital number, since it uses as much as digits as its factorization.

461461830081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489963 (or 1489942 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 461461830081 in words is "four hundred sixty-one billion, four hundred sixty-one million, eight hundred thirty thousand, eighty-one".