2696871280 has 80 divisors (see below), whose sum is σ = 6441016320. Its totient is φ = 1049636096.

The previous prime is 2696871277. The next prime is 2696871299. The reversal of 2696871280 is 821786962.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2696871280² = 14546229401777676800, which contains 22 as substring.

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, 671037 + ... + 675043.

It is an arithmetic number, because the mean of its divisors is an integer number (80512704).

Almost surely, 2^2696871280 is an apocalyptic number.

2696871280 is a gapful number since it is divisible by the number (20) 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 2696871280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220508160).

2696871280 is an abundant number, since it is smaller than the sum of its proper divisors (3744145040).

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

2696871280 is a wasteful number, since it uses less digits than its factorization.

2696871280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2696871280 is about 51931.4093781403. The cubic root of 2696871280 is about 1391.9385817575.

The spelling of 2696871280 in words is "two billion, six hundred ninety-six million, eight hundred seventy-one thousand, two hundred eighty".