10238603840 has 56 divisors (see below), whose sum is σ = 24436547520. Its totient is φ = 4086056448.

The previous prime is 10238603839. The next prime is 10238603867. The reversal of 10238603840 is 4830683201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10238603840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104039 + ... + 176921.

It is an arithmetic number, because the mean of its divisors is an integer number (436366920).

Almost surely, 2^10238603840 is an apocalyptic number.

10238603840 is a gapful number since it is divisible by the number (10) 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 10238603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12218273760).

10238603840 is an abundant number, since it is smaller than the sum of its proper divisors (14197943680).

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

10238603840 is an equidigital number, since it uses as much as digits as its factorization.

10238603840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73339 (or 73329 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 10238603840 in words is "ten billion, two hundred thirty-eight million, six hundred three thousand, eight hundred forty".