481367978946 has 24 divisors (see below), whose sum is σ = 1047291615084. Its totient is φ = 159790199040.

The previous prime is 481367978929. The next prime is 481367978957. The reversal of 481367978946 is 649879763184.

481367978946 is a `hidden beast` number, since 481 + 3 + 6 + 79 + 78 + 9 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 476982228321 + 4385750625 = 690639^2 + 66225^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 55478371 + ... + 55487046.

Almost surely, 2^481367978946 is an apocalyptic number.

481367978946 is an abundant number, since it is smaller than the sum of its proper divisors (565923636138).

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

481367978946 is a wasteful number, since it uses less digits than its factorization.

481367978946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110965666 (or 110965663 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 481367978946 in words is "four hundred eighty-one billion, three hundred sixty-seven million, nine hundred seventy-eight thousand, nine hundred forty-six".