461571463435236 has 192 divisors, whose sum is σ = 1414331283456000. Its totient is φ = 113505900324480.

The previous prime is 461571463435213. The next prime is 461571463435261. The reversal of 461571463435236 is 632534364175164.

It is a self number, because there is not a number n which added to its sum of digits gives 461571463435236.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18937675 + ... + 35801933.

It is an arithmetic number, because the mean of its divisors is an integer number (7366308768000).

Almost surely, 2^{461571463435236} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461571463435236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707165641728000).

461571463435236 is an abundant number, since it is smaller than the sum of its proper divisors (952759820020764).

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

461571463435236 is a wasteful number, since it uses less digits than its factorization.

461571463435236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16865862 (or 16865860 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 60.

The spelling of 461571463435236 in words is "four hundred sixty-one trillion, five hundred seventy-one billion, four hundred sixty-three million, four hundred thirty-five thousand, two hundred thirty-six".