451427446 has 4 divisors (see below), whose sum is σ = 677141172. Its totient is φ = 225713722.

The previous prime is 451427423. The next prime is 451427453. The reversal of 451427446 is 644724154.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112856860 + ... + 112856863.

It is an arithmetic number, because the mean of its divisors is an integer number (169285293).

Almost surely, 2^451427446 is an apocalyptic number.

451427446 is a deficient number, since it is larger than the sum of its proper divisors (225713726).

451427446 is a wasteful number, since it uses less digits than its factorization.

451427446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225713725.

The product of its digits is 107520, while the sum is 37.

The square root of 451427446 is about 21246.8220211871. The cubic root of 451427446 is about 767.1188477643.

The spelling of 451427446 in words is "four hundred fifty-one million, four hundred twenty-seven thousand, four hundred forty-six".