10320609280 has 160 divisors (see below), whose sum is σ = 25769779200. Its totient is φ = 3963617280.

The previous prime is 10320609251. The next prime is 10320609283. The reversal of 10320609280 is 8290602301.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (10320609283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81264577 + ... + 81264703.

It is an arithmetic number, because the mean of its divisors is an integer number (161061120).

Almost surely, 2^10320609280 is an apocalyptic number.

10320609280 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 10320609280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12884889600).

10320609280 is an abundant number, since it is smaller than the sum of its proper divisors (15449169920).

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

10320609280 is an frugal number, since it uses more digits than its factorization.

10320609280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 10320609280 in words is "ten billion, three hundred twenty million, six hundred nine thousand, two hundred eighty".