452220765529 has 16 divisors (see below), whose sum is σ = 516088152720. Its totient is φ = 393209994240.

The previous prime is 452220765509. The next prime is 452220765569. The reversal of 452220765529 is 925567022254.

It can be written as a sum of positive squares in 8 ways, for example, as 128035152400 + 324185613129 = 357820^2 + 569373^2 .

It is a cyclic number.

It is not a de Polignac number, because 452220765529 - 2⁵ = 452220765497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452220765509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14612892 + ... + 14643805.

It is an arithmetic number, because the mean of its divisors is an integer number (32255509545).

Almost surely, 2^452220765529 is an apocalyptic number.

It is an amenable number.

452220765529 is a deficient number, since it is larger than the sum of its proper divisors (63867387191).

452220765529 is a wasteful number, since it uses less digits than its factorization.

452220765529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29256780.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 452220765529 in words is "four hundred fifty-two billion, two hundred twenty million, seven hundred sixty-five thousand, five hundred twenty-nine".