450508878 has 64 divisors (see below), whose sum is σ = 1022730240. Its totient is φ = 148803480.

The previous prime is 450508873. The next prime is 450508879. The reversal of 450508878 is 878805054.

450508878 is a `hidden beast` number, since 450 + 50 + 88 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450508873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555093 + ... + 555903.

It is an arithmetic number, because the mean of its divisors is an integer number (15980160).

Almost surely, 2^450508878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450508878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511365120).

450508878 is an abundant number, since it is smaller than the sum of its proper divisors (572221362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450508878 is an equidigital number, since it uses as much as digits as its factorization.

450508878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 450508878 is about 21225.1944160707. The cubic root of 450508878 is about 766.5981813641.

The spelling of 450508878 in words is "four hundred fifty million, five hundred eight thousand, eight hundred seventy-eight".