489613928918400 has 3840 divisors, whose sum is σ = 2242089347097600. Its totient is φ = 103439263334400.

The previous prime is 489613928918399. The next prime is 489613928918437. The reversal of 489613928918400 is 4819829316984.

489613928918400 is a `hidden beast` number, since 4 + 8 + 9 + 6 + 139 + 2 + 89 + 1 + 8 + 400 = 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 237331035769 + ... + 237331037831.

It is an arithmetic number, because the mean of its divisors is an integer number (583877434140).

Almost surely, 2^{489613928918400} is an apocalyptic number.

489613928918400 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 489613928918400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121044673548800).

489613928918400 is an abundant number, since it is smaller than the sum of its proper divisors (1752475418179200).

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

489613928918400 is a wasteful number, since it uses less digits than its factorization.

489613928918400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2453 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 72.

The spelling of 489613928918400 in words is "four hundred eighty-nine trillion, six hundred thirteen billion, nine hundred twenty-eight million, nine hundred eighteen thousand, four hundred".