4028835720 has 256 divisors, whose sum is σ = 14989847040. Its totient is φ = 843522048.

The previous prime is 4028835719. The next prime is 4028835731. The reversal of 4028835720 is 275388204.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 1494694 + ... + 1497386.

It is an arithmetic number, because the mean of its divisors is an integer number (58554090).

Almost surely, 2^4028835720 is an apocalyptic number.

4028835720 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 4028835720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7494923520).

4028835720 is an abundant number, since it is smaller than the sum of its proper divisors (10961011320).

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

4028835720 is a wasteful number, since it uses less digits than its factorization.

4028835720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 4028835720 is about 63473.1102121205. The cubic root of 4028835720 is about 1591.2064100663.

The spelling of 4028835720 in words is "four billion, twenty-eight million, eight hundred thirty-five thousand, seven hundred twenty".