461777328 has 80 divisors (see below), whose sum is σ = 1334438400. Its totient is φ = 152884800.

The previous prime is 461777297. The next prime is 461777339. The reversal of 461777328 is 823777164.

461777328 is a `hidden beast` number, since 4 + 617 + 7 + 7 + 3 + 28 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61693 + ... + 68771.

It is an arithmetic number, because the mean of its divisors is an integer number (16680480).

Almost surely, 2^461777328 is an apocalyptic number.

461777328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461777328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667219200).

461777328 is an abundant number, since it is smaller than the sum of its proper divisors (872661072).

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

461777328 is a wasteful number, since it uses less digits than its factorization.

461777328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247 (or 7235 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 461777328 is about 21489.0048164172. The cubic root of 461777328 is about 772.9371867868.

The spelling of 461777328 in words is "four hundred sixty-one million, seven hundred seventy-seven thousand, three hundred twenty-eight".