451043266257226 has 4 divisors (see below), whose sum is σ = 676564899385842. Its totient is φ = 225521633128612.

The previous prime is 451043266257209. The next prime is 451043266257253. The reversal of 451043266257226 is 622752662340154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 424589721080625 + 26453545176601 = 20605575^2 + 5143301^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 112760816564305 + ... + 112760816564308.

Almost surely, 2^{451043266257226} is an apocalyptic number.

451043266257226 is a deficient number, since it is larger than the sum of its proper divisors (225521633128616).

451043266257226 is a wasteful number, since it uses less digits than its factorization.

451043266257226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225521633128615.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 451043266257226 in words is "four hundred fifty-one trillion, forty-three billion, two hundred sixty-six million, two hundred fifty-seven thousand, two hundred twenty-six".