489149081280 has 896 divisors, whose sum is σ = 1877349519360. Its totient is φ = 119558799360.

The previous prime is 489149081233. The next prime is 489149081293. The reversal of 489149081280 is 82180941984.

It is a happy number.

489149081280 is a `hidden beast` number, since 48 + 91 + 490 + 8 + 1 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 in 127 ways as a sum of consecutive naturals, for example, 522036972 + ... + 522037908.

It is an arithmetic number, because the mean of its divisors is an integer number (2095256160).

Almost surely, 2^489149081280 is an apocalyptic number.

489149081280 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 489149081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938674759680).

489149081280 is an abundant number, since it is smaller than the sum of its proper divisors (1388200438080).

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

489149081280 is a wasteful number, since it uses less digits than its factorization.

489149081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 489149081280 in words is "four hundred eighty-nine billion, one hundred forty-nine million, eighty-one thousand, two hundred eighty".