451408434 has 16 divisors (see below), whose sum is σ = 904780800. Its totient is φ = 150142160.

The previous prime is 451408417. The next prime is 451408459. The reversal of 451408434 is 434804154.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 451408395 and 451408404.

It is an unprimeable number.

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, 78834 + ... + 84365.

It is an arithmetic number, because the mean of its divisors is an integer number (56548800).

Almost surely, 2^451408434 is an apocalyptic number.

451408434 is an abundant number, since it is smaller than the sum of its proper divisors (453372366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451408434 is a wasteful number, since it uses less digits than its factorization.

451408434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163665.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 451408434 is about 21246.3746083891. The cubic root of 451408434 is about 767.1080784676.

The spelling of 451408434 in words is "four hundred fifty-one million, four hundred eight thousand, four hundred thirty-four".