486401987728 has 10 divisors (see below), whose sum is σ = 942403851254. Its totient is φ = 243200993856.

The previous prime is 486401987717. The next prime is 486401987741. The reversal of 486401987728 is 827789104684.

It can be written as a sum of positive squares in only one way, i.e., 427339378944 + 59062608784 = 653712^2 + 243028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 486401987728.

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 as a sum of consecutive naturals, namely, 15200062101 + ... + 15200062132.

Almost surely, 2^486401987728 is an apocalyptic number.

It is an amenable number.

486401987728 is a deficient number, since it is larger than the sum of its proper divisors (456001863526).

486401987728 is a wasteful number, since it uses less digits than its factorization.

486401987728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30400124241 (or 30400124235 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 64.

The spelling of 486401987728 in words is "four hundred eighty-six billion, four hundred one million, nine hundred eighty-seven thousand, seven hundred twenty-eight".