451340494 has 8 divisors (see below), whose sum is σ = 738557208. Its totient is φ = 205154760.

The previous prime is 451340453. The next prime is 451340537. The reversal of 451340494 is 494043154.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10257717 + ... + 10257760.

It is an arithmetic number, because the mean of its divisors is an integer number (92319651).

Almost surely, 2^451340494 is an apocalyptic number.

451340494 is a deficient number, since it is larger than the sum of its proper divisors (287216714).

451340494 is a wasteful number, since it uses less digits than its factorization.

451340494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20515490.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 451340494 is about 21244.7756872131. The cubic root of 451340494 is about 767.0695915647.

The spelling of 451340494 in words is "four hundred fifty-one million, three hundred forty thousand, four hundred ninety-four".