10388273328 has 140 divisors (see below), whose sum is σ = 30993999888. Its totient is φ = 3369029760.

The previous prime is 10388273327. The next prime is 10388273347. The reversal of 10388273328 is 82337288301.

It is not an unprimeable number, because it can be changed into a prime (10388273323) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 419533 + ... + 443603.

Almost surely, 2^10388273328 is an apocalyptic number.

10388273328 is a gapful number since it is divisible by the number (18) 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 10388273328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15496999944).

10388273328 is an abundant number, since it is smaller than the sum of its proper divisors (20605726560).

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

10388273328 is an equidigital number, since it uses as much as digits as its factorization.

10388273328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24134 (or 24113 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 10388273328 in words is "ten billion, three hundred eighty-eight million, two hundred seventy-three thousand, three hundred twenty-eight".