489000536640 has 1344 divisors, whose sum is σ = 2191208467968. Its totient is φ = 97144012800.

The previous prime is 489000536621. The next prime is 489000536653. The reversal of 489000536640 is 46635000984.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 500511832 + ... + 500512808.

Almost surely, 2^489000536640 is an apocalyptic number.

489000536640 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 489000536640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095604233984).

489000536640 is an abundant number, since it is smaller than the sum of its proper divisors (1702207931328).

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

489000536640 is a wasteful number, since it uses less digits than its factorization.

489000536640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 489000536640 in words is "four hundred eighty-nine billion, five hundred thirty-six thousand, six hundred forty".