451384492 has 12 divisors (see below), whose sum is σ = 850686256. Its totient is φ = 208331280.

The previous prime is 451384481. The next prime is 451384513. The reversal of 451384492 is 294483154.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 4340184 + ... + 4340287.

Almost surely, 2^451384492 is an apocalyptic number.

It is an amenable number.

451384492 is a deficient number, since it is larger than the sum of its proper divisors (399301764).

451384492 is a wasteful number, since it uses less digits than its factorization.

451384492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680488 (or 8680486 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 451384492 is about 21245.8111636153. The cubic root of 451384492 is about 767.0945161554.

The spelling of 451384492 in words is "four hundred fifty-one million, three hundred eighty-four thousand, four hundred ninety-two".