4378823064 has 448 divisors, whose sum is σ = 15739200000. Its totient is φ = 1131641280.

The previous prime is 4378823063. The next prime is 4378823077. The reversal of 4378823064 is 4603288734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378823063) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 22004037 + ... + 22004235.

Almost surely, 2^4378823064 is an apocalyptic number.

4378823064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4378823064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7869600000).

4378823064 is an abundant number, since it is smaller than the sum of its proper divisors (11360376936).

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

4378823064 is a wasteful number, since it uses less digits than its factorization.

4378823064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 4378823064 is about 66172.6761133325. The cubic root of 4378823064 is about 1636.0094162374.

The spelling of 4378823064 in words is "four billion, three hundred seventy-eight million, eight hundred twenty-three thousand, sixty-four".