452442020511 has 24 divisors (see below), whose sum is σ = 653446933776. Its totient is φ = 278333352960.

The previous prime is 452442020509. The next prime is 452442020567. The reversal of 452442020511 is 115020244254.

It is not a de Polignac number, because 452442020511 - 2¹ = 452442020509 is a prime.

It is a super-2 number, since 2×452442020511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452442020501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395061 + ... + 1688513.

It is an arithmetic number, because the mean of its divisors is an integer number (27226955574).

Almost surely, 2^452442020511 is an apocalyptic number.

452442020511 is a deficient number, since it is larger than the sum of its proper divisors (201004913265).

452442020511 is a wasteful number, since it uses less digits than its factorization.

452442020511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296523 (or 296510 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 452442020511 its reverse (115020244254), we get a palindrome (567462264765).

The spelling of 452442020511 in words is "four hundred fifty-two billion, four hundred forty-two million, twenty thousand, five hundred eleven".