451439434 has 8 divisors (see below), whose sum is σ = 687266208. Its totient is φ = 222350700.

The previous prime is 451439393. The next prime is 451439441. The reversal of 451439434 is 434934154.

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

It is a junction number, because it is equal to n+sod(n) for n = 451439393 and 451439402.

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, 1684342 + ... + 1684609.

It is an arithmetic number, because the mean of its divisors is an integer number (85908276).

Almost surely, 2^451439434 is an apocalyptic number.

451439434 is a deficient number, since it is larger than the sum of its proper divisors (235826774).

451439434 is a wasteful number, since it uses less digits than its factorization.

451439434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369020.

The product of its digits is 103680, while the sum is 37.

The square root of 451439434 is about 21247.1041320929. The cubic root of 451439434 is about 767.1256381794.

The spelling of 451439434 in words is "four hundred fifty-one million, four hundred thirty-nine thousand, four hundred thirty-four".