451428478 has 8 divisors (see below), whose sum is σ = 677845872. Its totient is φ = 225479856.

The previous prime is 451428473. The next prime is 451428533. The reversal of 451428478 is 874824154.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451428473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114775 + ... + 118642.

It is an arithmetic number, because the mean of its divisors is an integer number (84730734).

Almost surely, 2^451428478 is an apocalyptic number.

451428478 is a deficient number, since it is larger than the sum of its proper divisors (226417394).

451428478 is a wasteful number, since it uses less digits than its factorization.

451428478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234386.

The product of its digits is 286720, while the sum is 43.

The square root of 451428478 is about 21246.8463071582. The cubic root of 451428478 is about 767.1194323293.

The spelling of 451428478 in words is "four hundred fifty-one million, four hundred twenty-eight thousand, four hundred seventy-eight".