461020639482 has 144 divisors (see below), whose sum is σ = 1150195665528. Its totient is φ = 132931768320.

The previous prime is 461020639379. The next prime is 461020639507. The reversal of 461020639482 is 284936020164.

461020639482 is a `hidden beast` number, since 4 + 6 + 1 + 0 + 2 + 0 + 639 + 4 + 8 + 2 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 29422883961 + 431597755521 = 171531^2 + 656961^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12030232 + ... + 12068492.

Almost surely, 2^461020639482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461020639482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575097832764).

461020639482 is an abundant number, since it is smaller than the sum of its proper divisors (689175026046).

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

461020639482 is a wasteful number, since it uses less digits than its factorization.

461020639482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38545 (or 38529 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 461020639482 in words is "four hundred sixty-one billion, twenty million, six hundred thirty-nine thousand, four hundred eighty-two".