452126230642 has 16 divisors (see below), whose sum is σ = 719410191192. Its totient is φ = 212371994880.

The previous prime is 452126230613. The next prime is 452126230643. The reversal of 452126230642 is 246032621254.

It can be written as a sum of positive squares in 4 ways, for example, as 452106967321 + 19263321 = 672389^2 + 4389^2 .

It is not an unprimeable number, because it can be changed into a prime (452126230643) 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 7 ways as a sum of consecutive naturals, for example, 12271653 + ... + 12308440.

Almost surely, 2^452126230642 is an apocalyptic number.

452126230642 is a deficient number, since it is larger than the sum of its proper divisors (267283960550).

452126230642 is a wasteful number, since it uses less digits than its factorization.

452126230642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580653.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 452126230642 its reverse (246032621254), we get a palindrome (698158851896).

The spelling of 452126230642 in words is "four hundred fifty-two billion, one hundred twenty-six million, two hundred thirty thousand, six hundred forty-two".