461020180 has 96 divisors (see below), whose sum is σ = 1056706560. Its totient is φ = 168382080.

The previous prime is 461020169. The next prime is 461020181. The reversal of 461020180 is 81020164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461020181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482225 + ... + 1482535.

It is an arithmetic number, because the mean of its divisors is an integer number (11007360).

Almost surely, 2^461020180 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 461020180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528353280).

461020180 is an abundant number, since it is smaller than the sum of its proper divisors (595686380).

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

461020180 is a wasteful number, since it uses less digits than its factorization.

461020180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 461020180 is about 21471.3804865919. The cubic root of 461020180 is about 772.5145097696.

The spelling of 461020180 in words is "four hundred sixty-one million, twenty thousand, one hundred eighty".