4378792128 has 112 divisors (see below), whose sum is σ = 12278014560. Its totient is φ = 1374822400.

The previous prime is 4378792123. The next prime is 4378792147. The reversal of 4378792128 is 8212978734.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4378792123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218698 + ... + 237878.

It is an arithmetic number, because the mean of its divisors is an integer number (109625130).

Almost surely, 2^4378792128 is an apocalyptic number.

4378792128 is a gapful number since it is divisible by the number (48) 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 4378792128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6139007280).

4378792128 is an abundant number, since it is smaller than the sum of its proper divisors (7899222432).

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

4378792128 is a wasteful number, since it uses less digits than its factorization.

4378792128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266 (or 19256 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 4378792128 is about 66172.4423608499. The cubic root of 4378792128 is about 1636.0055634740.

The spelling of 4378792128 in words is "four billion, three hundred seventy-eight million, seven hundred ninety-two thousand, one hundred twenty-eight".