489755970 has 240 divisors, whose sum is σ = 1529478720. Its totient is φ = 112052160.

The previous prime is 489755963. The next prime is 489755971. The reversal of 489755970 is 79557984.

489755970 is a `hidden beast` number, since 4 + 89 + 7 + 559 + 7 + 0 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489755971) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1862059 + ... + 1862321.

It is an arithmetic number, because the mean of its divisors is an integer number (6372828).

Almost surely, 2^489755970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489755970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764739360).

489755970 is an abundant number, since it is smaller than the sum of its proper divisors (1039722750).

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

489755970 is a wasteful number, since it uses less digits than its factorization.

489755970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 489755970 is about 22130.4308588875. The cubic root of 489755970 is about 788.2426192115.

It can be divided in two parts, 48975 and 5970, that added together give a palindrome (54945).

The spelling of 489755970 in words is "four hundred eighty-nine million, seven hundred fifty-five thousand, nine hundred seventy".