4028879520 has 192 divisors, whose sum is σ = 14587776000. Its totient is φ = 1037288448.

The previous prime is 4028879497. The next prime is 4028879537. The reversal of 4028879520 is 259788204.

4028879520 is a `hidden beast` number, since 40 + 2 + 8 + 87 + 9 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 109201 + ... + 141359.

It is an arithmetic number, because the mean of its divisors is an integer number (75978000).

Almost surely, 2^4028879520 is an apocalyptic number.

4028879520 is a gapful number since it is divisible by the number (40) 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 4028879520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7293888000).

4028879520 is an abundant number, since it is smaller than the sum of its proper divisors (10558896480).

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

4028879520 is a wasteful number, since it uses less digits than its factorization.

4028879520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32212 (or 32198 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 4028879520 is about 63473.4552391785. The cubic root of 4028879520 is about 1591.2121763797.

The spelling of 4028879520 in words is "four billion, twenty-eight million, eight hundred seventy-nine thousand, five hundred twenty".