456446918 has 16 divisors (see below), whose sum is σ = 734307120. Its totient is φ = 212131296.

The previous prime is 456446909. The next prime is 456446927. The reversal of 456446918 is 819644654.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (456446909) and next prime (456446927).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111305 + ... + 115332.

It is an arithmetic number, because the mean of its divisors is an integer number (45894195).

Almost surely, 2^456446918 is an apocalyptic number.

456446918 is a deficient number, since it is larger than the sum of its proper divisors (277860202).

456446918 is a wasteful number, since it uses less digits than its factorization.

456446918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226711.

The product of its digits is 829440, while the sum is 47.

The square root of 456446918 is about 21364.6183677593. The cubic root of 456446918 is about 769.9516009383.

The spelling of 456446918 in words is "four hundred fifty-six million, four hundred forty-six thousand, nine hundred eighteen".