28235241384 has 640 divisors, whose sum is σ = 96560553600. Its totient is φ = 6827950080.

The previous prime is 28235241379. The next prime is 28235241413. The reversal of 28235241384 is 48314253282.

It is a super-3 number, since 3×28235241384³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 688664404 + ... + 688664444.

It is an arithmetic number, because the mean of its divisors is an integer number (150875865).

Almost surely, 2^28235241384 is an apocalyptic number.

28235241384 is a gapful number since it is divisible by the number (24) 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 28235241384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48280276800).

28235241384 is an abundant number, since it is smaller than the sum of its proper divisors (68325312216).

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

28235241384 is a wasteful number, since it uses less digits than its factorization.

28235241384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 126 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 28235241384 in words is "twenty-eight billion, two hundred thirty-five million, two hundred forty-one thousand, three hundred eighty-four".