461771128 has 32 divisors (see below), whose sum is σ = 1065627360. Its totient is φ = 182678400.

The previous prime is 461771113. The next prime is 461771129. The reversal of 461771128 is 821177164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461771129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316423 + ... + 317878.

It is an arithmetic number, because the mean of its divisors is an integer number (33300855).

Almost surely, 2^461771128 is an apocalyptic number.

It is an amenable number.

461771128 is an abundant number, since it is smaller than the sum of its proper divisors (603856232).

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

461771128 is a wasteful number, since it uses less digits than its factorization.

461771128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634327 (or 634323 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 461771128 is about 21488.8605561114. The cubic root of 461771128 is about 772.9337275207.

The spelling of 461771128 in words is "four hundred sixty-one million, seven hundred seventy-one thousand, one hundred twenty-eight".