461195178496 has 80 divisors (see below), whose sum is σ = 1002200339448. Its totient is φ = 210751488000.

The previous prime is 461195178467. The next prime is 461195178503. The reversal of 461195178496 is 694871591164.

It can be written as a sum of positive squares in 4 ways, for example, as 286524678400 + 174670500096 = 535280^2 + 417936^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329236 + ... + 1015276.

Almost surely, 2^461195178496 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 461195178496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501100169724).

461195178496 is an abundant number, since it is smaller than the sum of its proper divisors (541005160952).

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

461195178496 is a wasteful number, since it uses less digits than its factorization.

461195178496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686173 (or 686157 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 461195178496 in words is "four hundred sixty-one billion, one hundred ninety-five million, one hundred seventy-eight thousand, four hundred ninety-six".