451428466 has 4 divisors (see below), whose sum is σ = 677142702. Its totient is φ = 225714232.

The previous prime is 451428463. The next prime is 451428473. The reversal of 451428466 is 664824154.

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

It can be written as a sum of positive squares in only one way, i.e., 359671225 + 91757241 = 18965^2 + 9579^2 .

It is a super-2 number, since 2×451428466² = 407575319830226312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451428463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112857115 + ... + 112857118.

Almost surely, 2^451428466 is an apocalyptic number.

451428466 is a deficient number, since it is larger than the sum of its proper divisors (225714236).

451428466 is a wasteful number, since it uses less digits than its factorization.

451428466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225714235.

The product of its digits is 184320, while the sum is 40.

The square root of 451428466 is about 21246.8460247633. The cubic root of 451428466 is about 767.1194255320.

The spelling of 451428466 in words is "four hundred fifty-one million, four hundred twenty-eight thousand, four hundred sixty-six".