489959767800 has 1152 divisors, whose sum is σ = 1898621337600. Its totient is φ = 112565376000.

The previous prime is 489959767789. The next prime is 489959767841. The reversal of 489959767800 is 8767959984.

489959767800 is a `hidden beast` number, since 489 + 9 + 5 + 9 + 7 + 67 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1731306459 + ... + 1731306741.

It is an arithmetic number, because the mean of its divisors is an integer number (1648108800).

Almost surely, 2^489959767800 is an apocalyptic number.

489959767800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489959767800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949310668800).

489959767800 is an abundant number, since it is smaller than the sum of its proper divisors (1408661569800).

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

489959767800 is a wasteful number, since it uses less digits than its factorization.

489959767800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 489959767800 in words is "four hundred eighty-nine billion, nine hundred fifty-nine million, seven hundred sixty-seven thousand, eight hundred".