492161304000 has 448 divisors, whose sum is σ = 1645901712000. Its totient is φ = 129576960000.

The previous prime is 492161303999. The next prime is 492161304001. The reversal of 492161304000 is 403161294.

It is an interprime number because it is at equal distance from previous prime (492161303999) and next prime (492161304001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492161304001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 818903700 + ... + 818904300.

It is an arithmetic number, because the mean of its divisors is an integer number (3673887750).

Almost surely, 2^492161304000 is an apocalyptic number.

492161304000 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 492161304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822950856000).

492161304000 is an abundant number, since it is smaller than the sum of its proper divisors (1153740408000).

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

492161304000 is a wasteful number, since it uses less digits than its factorization.

492161304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 492161304000 its reverse (403161294), we get a palindrome (492564465294).

The spelling of 492161304000 in words is "four hundred ninety-two billion, one hundred sixty-one million, three hundred four thousand".