10709265280 has 128 divisors (see below), whose sum is σ = 29630592000. Its totient is φ = 3625150464.

The previous prime is 10709265251. The next prime is 10709265293. The reversal of 10709265280 is 8256290701.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×10709265280² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338791 + ... + 369049.

It is an arithmetic number, because the mean of its divisors is an integer number (231489000).

Almost surely, 2^10709265280 is an apocalyptic number.

10709265280 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 10709265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14815296000).

10709265280 is an abundant number, since it is smaller than the sum of its proper divisors (18921326720).

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

10709265280 is an equidigital number, since it uses as much as digits as its factorization.

10709265280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30364 (or 30352 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 10709265280 in words is "ten billion, seven hundred nine million, two hundred sixty-five thousand, two hundred eighty".