461804478 has 16 divisors (see below), whose sum is σ = 926259600. Its totient is φ = 153493056.

The previous prime is 461804467. The next prime is 461804509. The reversal of 461804478 is 874408164.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108175 + ... + 112362.

It is an arithmetic number, because the mean of its divisors is an integer number (57891225).

Almost surely, 2^461804478 is an apocalyptic number.

461804478 is an abundant number, since it is smaller than the sum of its proper divisors (464455122).

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

461804478 is a wasteful number, since it uses less digits than its factorization.

461804478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220891.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 461804478 is about 21489.6365255441. The cubic root of 461804478 is about 772.9523346601.

The spelling of 461804478 in words is "four hundred sixty-one million, eight hundred four thousand, four hundred seventy-eight".