264332001151220 has 24 divisors (see below), whose sum is σ = 562701273686664. Its totient is φ = 104284405933056.

The previous prime is 264332001151201. The next prime is 264332001151291. The reversal of 264332001151220 is 22151100233462.

It can be written as a sum of positive squares in 4 ways, for example, as 2981969478244 + 261350031672976 = 1726838^2 + 16166324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90524656469 + ... + 90524659388.

It is an arithmetic number, because the mean of its divisors is an integer number (23445886403611).

Almost surely, 2^{264332001151220} is an apocalyptic number.

264332001151220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264332001151220 is an abundant number, since it is smaller than the sum of its proper divisors (298369272535444).

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

264332001151220 is a wasteful number, since it uses less digits than its factorization.

264332001151220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181049315939 (or 181049315937 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 264332001151220 its reverse (22151100233462), we get a palindrome (286483101384682).

The spelling of 264332001151220 in words is "two hundred sixty-four trillion, three hundred thirty-two billion, one million, one hundred fifty-one thousand, two hundred twenty".