8033378418 has 64 divisors (see below), whose sum is σ = 19306022400. Its totient is φ = 2461415040.

The previous prime is 8033378387. The next prime is 8033378453. The reversal of 8033378418 is 8148733308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143838 + ... + 191718.

It is an arithmetic number, because the mean of its divisors is an integer number (301656600).

Almost surely, 2^8033378418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8033378418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9653011200).

8033378418 is an abundant number, since it is smaller than the sum of its proper divisors (11272643982).

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

8033378418 is a wasteful number, since it uses less digits than its factorization.

8033378418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48144 (or 48138 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8033378418 is about 89629.1159054913. The cubic root of 8033378418 is about 2002.7776753074. Note that the first 3 decimals are identical.

The spelling of 8033378418 in words is "eight billion, thirty-three million, three hundred seventy-eight thousand, four hundred eighteen".