2659826560 has 64 divisors (see below), whose sum is σ = 6395669280. Its totient is φ = 1057736704.

The previous prime is 2659826557. The next prime is 2659826563. The reversal of 2659826560 is 656289562.

It is an interprime number because it is at equal distance from previous prime (2659826557) and next prime (2659826563).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659826563) 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, 98709 + ... + 122731.

Almost surely, 2^2659826560 is an apocalyptic number.

2659826560 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 2659826560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197834640).

2659826560 is an abundant number, since it is smaller than the sum of its proper divisors (3735842720).

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

2659826560 is a wasteful number, since it uses less digits than its factorization.

2659826560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24215 (or 24203 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 2659826560 is about 51573.5063768210. The cubic root of 2659826560 is about 1385.5358672249.

The spelling of 2659826560 in words is "two billion, six hundred fifty-nine million, eight hundred twenty-six thousand, five hundred sixty".