489336422400 has 1800 divisors, whose sum is σ = 2163198699200. Its totient is φ = 109247201280.

The previous prime is 489336422389. The next prime is 489336422423. The reversal of 489336422400 is 4224633984.

489336422400 is a `hidden beast` number, since 48 + 9 + 3 + 364 + 2 + 240 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11379916779 + ... + 11379916821.

Almost surely, 2^489336422400 is an apocalyptic number.

489336422400 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 489336422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081599349600).

489336422400 is an abundant number, since it is smaller than the sum of its proper divisors (1673862276800).

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

489336422400 is an frugal number, since it uses more digits than its factorization.

489336422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 489336422400 in words is "four hundred eighty-nine billion, three hundred thirty-six million, four hundred twenty-two thousand, four hundred".