17728103380 has 72 divisors (see below), whose sum is σ = 40351500000. Its totient is φ = 6539524992.

The previous prime is 17728103377. The next prime is 17728103389. The reversal of 17728103380 is 8330182771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17728103389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5064871 + ... + 5068369.

It is an arithmetic number, because the mean of its divisors is an integer number (560437500).

Almost surely, 2^17728103380 is an apocalyptic number.

17728103380 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 17728103380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20175750000).

17728103380 is an abundant number, since it is smaller than the sum of its proper divisors (22623396620).

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

17728103380 is a wasteful number, since it uses less digits than its factorization.

17728103380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 17728103380 in words is "seventeen billion, seven hundred twenty-eight million, one hundred three thousand, three hundred eighty".