489388126000 has 80 divisors (see below), whose sum is σ = 1203397397280. Its totient is φ = 192437318400.

The previous prime is 489388125937. The next prime is 489388126001. The reversal of 489388126000 is 621883984.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (489388126001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955679 + ... + 2191678.

It is an arithmetic number, because the mean of its divisors is an integer number (15042467466).

Almost surely, 2^489388126000 is an apocalyptic number.

489388126000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489388126000 is an abundant number, since it is smaller than the sum of its proper divisors (714009271280).

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

489388126000 is a wasteful number, since it uses less digits than its factorization.

489388126000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147439 (or 4147423 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 489388126000 in words is "four hundred eighty-nine billion, three hundred eighty-eight million, one hundred twenty-six thousand".