461570545432144 has 80 divisors (see below), whose sum is σ = 947688489960912. Its totient is φ = 217028482433024.

The previous prime is 461570545432133. The next prime is 461570545432163. The reversal of 461570545432144 is 441234545075164.

It can be written as a sum of positive squares in 8 ways, for example, as 20697040360000 + 440873505072144 = 4549400^2 + 20996988^2 .

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 15 ways as a sum of consecutive naturals, for example, 2277988182 + ... + 2278190794.

Almost surely, 2^{461570545432144} is an apocalyptic number.

It is an amenable number.

461570545432144 is an abundant number, since it is smaller than the sum of its proper divisors (486117944528768).

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

461570545432144 is a wasteful number, since it uses less digits than its factorization.

461570545432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209584 (or 209578 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 55.

The spelling of 461570545432144 in words is "four hundred sixty-one trillion, five hundred seventy billion, five hundred forty-five million, four hundred thirty-two thousand, one hundred forty-four".