4078043928 has 128 divisors (see below), whose sum is σ = 13041331200. Its totient is φ = 1156591872.

The previous prime is 4078043903. The next prime is 4078043941. The reversal of 4078043928 is 8293408704.

It is a congruent number.

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, 197301 + ... + 216987.

It is an arithmetic number, because the mean of its divisors is an integer number (101885400).

Almost surely, 2^4078043928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078043928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6520665600).

4078043928 is an abundant number, since it is smaller than the sum of its proper divisors (8963287272).

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

4078043928 is a wasteful number, since it uses less digits than its factorization.

4078043928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19846 (or 19836 counting only the distinct ones).

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

The square root of 4078043928 is about 63859.5641075008. The cubic root of 4078043928 is about 1597.6585449558.

The spelling of 4078043928 in words is "four billion, seventy-eight million, forty-three thousand, nine hundred twenty-eight".