451042442 has 16 divisors (see below), whose sum is σ = 687536640. Its totient is φ = 221883792.

The previous prime is 451042441. The next prime is 451042457. The reversal of 451042442 is 244240154.

It is not an unprimeable number, because it can be changed into a prime (451042441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41423 + ... + 51165.

It is an arithmetic number, because the mean of its divisors is an integer number (42971040).

Almost surely, 2^451042442 is an apocalyptic number.

451042442 is a deficient number, since it is larger than the sum of its proper divisors (236494198).

451042442 is a wasteful number, since it uses less digits than its factorization.

451042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 451042442 is about 21237.7598159505. The cubic root of 451042442 is about 766.9007043103.

Adding to 451042442 its reverse (244240154), we get a palindrome (695282596).

The spelling of 451042442 in words is "four hundred fifty-one million, forty-two thousand, four hundred forty-two".