489064057650 has 288 divisors, whose sum is σ = 1591341897600. Its totient is φ = 105298099200.

The previous prime is 489064057591. The next prime is 489064057667. The reversal of 489064057650 is 56750460984.

489064057650 is a `hidden beast` number, since 4 + 8 + 9 + 0 + 64 + 0 + 576 + 5 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 3680061 + ... + 3810639.

It is an arithmetic number, because the mean of its divisors is an integer number (5525492700).

Almost surely, 2^489064057650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489064057650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795670948800).

489064057650 is an abundant number, since it is smaller than the sum of its proper divisors (1102277839950).

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

489064057650 is a wasteful number, since it uses less digits than its factorization.

489064057650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130674 (or 130666 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 489064057650 in words is "four hundred eighty-nine billion, sixty-four million, fifty-seven thousand, six hundred fifty".