486556399446 has 128 divisors (see below), whose sum is σ = 1100559108096. Its totient is φ = 142386854400.

The previous prime is 486556399421. The next prime is 486556399447. The reversal of 486556399446 is 644993655684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486556399447) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 142558036 + ... + 142561448.

It is an arithmetic number, because the mean of its divisors is an integer number (8598118032).

Almost surely, 2^486556399446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486556399446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550279554048).

486556399446 is an abundant number, since it is smaller than the sum of its proper divisors (614002708650).

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

486556399446 is a wasteful number, since it uses less digits than its factorization.

486556399446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its digits is 671846400, while the sum is 69.

The spelling of 486556399446 in words is "four hundred eighty-six billion, five hundred fifty-six million, three hundred ninety-nine thousand, four hundred forty-six".