489566654804040 has 1024 divisors, whose sum is σ = 1699316596776960. Its totient is φ = 111767040000000.

The previous prime is 489566654804021. The next prime is 489566654804107. The reversal of 489566654804040 is 40408456665984.

It is a super-2 number, since 2×489566654804040² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 127127148115 + ... + 127127151965.

It is an arithmetic number, because the mean of its divisors is an integer number (1659488864040).

Almost surely, 2^{489566654804040} is an apocalyptic number.

489566654804040 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 489566654804040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849658298388480).

489566654804040 is an abundant number, since it is smaller than the sum of its proper divisors (1209749941972920).

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

489566654804040 is a wasteful number, since it uses less digits than its factorization.

489566654804040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 796262400, while the sum is 69.

The spelling of 489566654804040 in words is "four hundred eighty-nine trillion, five hundred sixty-six billion, six hundred fifty-four million, eight hundred four thousand, forty".