489910792320 has 256 divisors, whose sum is σ = 1775454595200. Its totient is φ = 127604477952.

The previous prime is 489910792303. The next prime is 489910792367. The reversal of 489910792320 is 23297019984.

489910792320 is a `hidden beast` number, since 48 + 99 + 107 + 92 + 320 = 666.

It is a super-2 number, since 2×489910792320² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413374 + ... + 1072706.

Almost surely, 2^489910792320 is an apocalyptic number.

489910792320 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 489910792320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887727297600).

489910792320 is an abundant number, since it is smaller than the sum of its proper divisors (1285543802880).

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

489910792320 is a wasteful number, since it uses less digits than its factorization.

489910792320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659404 (or 659386 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 489910792320 in words is "four hundred eighty-nine billion, nine hundred ten million, seven hundred ninety-two thousand, three hundred twenty".