4338449178 has 64 divisors (see below), whose sum is σ = 10150852608. Its totient is φ = 1210587840.

The previous prime is 4338449161. The next prime is 4338449207. The reversal of 4338449178 is 8719448334.

It is a self number, because there is not a number n which added to its sum of digits gives 4338449178.

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, 312276 + ... + 325872.

It is an arithmetic number, because the mean of its divisors is an integer number (158607072).

Almost surely, 2^4338449178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4338449178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5075426304).

4338449178 is an abundant number, since it is smaller than the sum of its proper divisors (5812403430).

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

4338449178 is a wasteful number, since it uses less digits than its factorization.

4338449178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13787.

The product of its digits is 2322432, while the sum is 51.

The square root of 4338449178 is about 65866.9050282462. The cubic root of 4338449178 is about 1630.9657390733.

The spelling of 4338449178 in words is "four billion, three hundred thirty-eight million, four hundred forty-nine thousand, one hundred seventy-eight".