461783991204 has 36 divisors (see below), whose sum is σ = 1186423174300. Its totient is φ = 151404586560.

The previous prime is 461783991203. The next prime is 461783991233. The reversal of 461783991204 is 402199387164.

461783991204 is a `hidden beast` number, since 4 + 61 + 78 + 399 + 120 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220103599104 + 241680392100 = 469152^2 + 491610^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (461783991203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 105139879 + ... + 105144270.

Almost surely, 2^461783991204 is an apocalyptic number.

It is an amenable number.

461783991204 is an abundant number, since it is smaller than the sum of its proper divisors (724639183096).

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

461783991204 is a wasteful number, since it uses less digits than its factorization.

461783991204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210284220 (or 210284215 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 461783991204 in words is "four hundred sixty-one billion, seven hundred eighty-three million, nine hundred ninety-one thousand, two hundred four".