451455016 has 8 divisors (see below), whose sum is σ = 846478170. Its totient is φ = 225727504.

The previous prime is 451455013. The next prime is 451455031. The reversal of 451455016 is 610554154.

It can be written as a sum of positive squares in only one way, i.e., 451392516 + 62500 = 21246^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (451455013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215931 + ... + 28215946.

Almost surely, 2^451455016 is an apocalyptic number.

It is an amenable number.

451455016 is a deficient number, since it is larger than the sum of its proper divisors (395023154).

451455016 is a wasteful number, since it uses less digits than its factorization.

451455016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56431883 (or 56431879 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 451455016 is about 21247.4708141934. The cubic root of 451455016 is about 767.1344641801.

The spelling of 451455016 in words is "four hundred fifty-one million, four hundred fifty-five thousand, sixteen".