461133220540 has 12 divisors (see below), whose sum is σ = 968379763176. Its totient is φ = 184453288208.

The previous prime is 461133220529. The next prime is 461133220553. The reversal of 461133220540 is 45022331164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11528330494 + ... + 11528330533.

It is an arithmetic number, because the mean of its divisors is an integer number (80698313598).

Almost surely, 2^461133220540 is an apocalyptic number.

It is an amenable number.

461133220540 is an abundant number, since it is smaller than the sum of its proper divisors (507246542636).

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

461133220540 is a wasteful number, since it uses less digits than its factorization.

461133220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23056661036 (or 23056661034 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 461133220540 in words is "four hundred sixty-one billion, one hundred thirty-three million, two hundred twenty thousand, five hundred forty".