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489056000000 = 21156172931
BaseRepresentation
bin1110001110111100000…
…00100101100000000000
31201202100011010220120012
413013132000211200000
531003041314000000
61012400315204052
750222156260661
oct7073600454000
91652304126505
10489056000000
111794533a92a7
127a947a46628
133716b9cc829
141995596d368
15cac4e56735
hex71de025800

489056000000 has 672 divisors, whose sum is σ = 1382044809600. Its totient is φ = 172032000000.

The previous prime is 489055999979. The next prime is 489056000009. The reversal of 489056000000 is 650984.

It is a super-2 number, since 2×4890560000002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489056000009) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15775999985 + ... + 15776000015.

It is an arithmetic number, because the mean of its divisors is an integer number (2056614300).

Almost surely, 2489056000000 is an apocalyptic number.

489056000000 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 489056000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691022404800).

489056000000 is an abundant number, since it is smaller than the sum of its proper divisors (892988809600).

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

489056000000 is an frugal number, since it uses more digits than its factorization.

489056000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 489056000000 its reverse (650984), we get a palindrome (489056650984).

The spelling of 489056000000 in words is "four hundred eighty-nine billion, fifty-six million", and thus it is an aban number.