4236841728 has 540 divisors, whose sum is σ = 15489407472. Its totient is φ = 1128038400.

The previous prime is 4236841709. The next prime is 4236841733. The reversal of 4236841728 is 8271486324.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 41948878 + ... + 41948978.

Almost surely, 2^4236841728 is an apocalyptic number.

4236841728 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 4236841728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7744703736).

4236841728 is an abundant number, since it is smaller than the sum of its proper divisors (11252565744).

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

4236841728 is a wasteful number, since it uses less digits than its factorization.

4236841728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 130 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 4236841728 is about 65091.0264783096. The cubic root of 4236841728 is about 1618.1324982164.

The spelling of 4236841728 in words is "four billion, two hundred thirty-six million, eight hundred forty-one thousand, seven hundred twenty-eight".