451214223630442 has 8 divisors (see below), whose sum is σ = 676821530404836. Its totient is φ = 225607046828832.

The previous prime is 451214223630433. The next prime is 451214223630479. The reversal of 451214223630442 is 244036322412154.

It can be written as a sum of positive squares in 2 ways, for example, as 446696214065721 + 4518009564721 = 21135189^2 + 2125561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23293213 + ... + 38013184.

Almost surely, 2^{451214223630442} is an apocalyptic number.

451214223630442 is a deficient number, since it is larger than the sum of its proper divisors (225607306774394).

451214223630442 is a wasteful number, since it uses less digits than its factorization.

451214223630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64986392.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 451214223630442 in words is "four hundred fifty-one trillion, two hundred fourteen billion, two hundred twenty-three million, six hundred thirty thousand, four hundred forty-two".