489536859400 has 96 divisors (see below), whose sum is σ = 1166266291680. Its totient is φ = 190984256000.

The previous prime is 489536859391. The next prime is 489536859403. The reversal of 489536859400 is 4958635984.

It is a super-2 number, since 2×489536859400² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489536859403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40428147 + ... + 40440253.

It is an arithmetic number, because the mean of its divisors is an integer number (12148607205).

Almost surely, 2^489536859400 is an apocalyptic number.

489536859400 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 489536859400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583133145840).

489536859400 is an abundant number, since it is smaller than the sum of its proper divisors (676729432280).

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

489536859400 is a wasteful number, since it uses less digits than its factorization.

489536859400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17095 (or 17086 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 489536859400 in words is "four hundred eighty-nine billion, five hundred thirty-six million, eight hundred fifty-nine thousand, four hundred".