461128456 has 8 divisors (see below), whose sum is σ = 864615870. Its totient is φ = 230564224.

The previous prime is 461128453. The next prime is 461128471. The reversal of 461128456 is 654821164.

It can be written as a sum of positive squares in only one way, i.e., 456505956 + 4622500 = 21366^2 + 2150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (461128453) 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 as a sum of consecutive naturals, namely, 28820521 + ... + 28820536.

Almost surely, 2^461128456 is an apocalyptic number.

It is an amenable number.

461128456 is a deficient number, since it is larger than the sum of its proper divisors (403487414).

461128456 is a wasteful number, since it uses less digits than its factorization.

461128456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57641063 (or 57641059 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 461128456 is about 21473.9017414163. The cubic root of 461128456 is about 772.5749830686.

The spelling of 461128456 in words is "four hundred sixty-one million, one hundred twenty-eight thousand, four hundred fifty-six".