489767040 has 256 divisors, whose sum is σ = 1982880000. Its totient is φ = 111919104.

The previous prime is 489766967. The next prime is 489767041. The reversal of 489767040 is 40767984.

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

It is not an unprimeable number, because it can be changed into a prime (489767041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118936 + ... + 122984.

It is an arithmetic number, because the mean of its divisors is an integer number (7745625).

Almost surely, 2^489767040 is an apocalyptic number.

489767040 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 489767040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991440000).

489767040 is an abundant number, since it is smaller than the sum of its proper divisors (1493112960).

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

489767040 is a wasteful number, since it uses less digits than its factorization.

489767040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4066 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 489767040 is about 22130.6809655736. The cubic root of 489767040 is about 788.2485580740.

The spelling of 489767040 in words is "four hundred eighty-nine million, seven hundred sixty-seven thousand, forty".