451205116 has 24 divisors (see below), whose sum is σ = 806339520. Its totient is φ = 220868352.

The previous prime is 451205107. The next prime is 451205147. The reversal of 451205116 is 611502154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34365 + ... + 45643.

It is an arithmetic number, because the mean of its divisors is an integer number (33597480).

Almost surely, 2^451205116 is an apocalyptic number.

It is an amenable number.

451205116 is a deficient number, since it is larger than the sum of its proper divisors (355134404).

451205116 is a wasteful number, since it uses less digits than its factorization.

451205116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 451205116 is about 21241.5893002383. The cubic root of 451205116 is about 766.9928906165.

The spelling of 451205116 in words is "four hundred fifty-one million, two hundred five thousand, one hundred sixteen".