2656260120 has 64 divisors (see below), whose sum is σ = 8026996320. Its totient is φ = 703161344.

The previous prime is 2656260073. The next prime is 2656260121. The reversal of 2656260120 is 210626562.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656260121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64347 + ... + 97226.

Almost surely, 2^2656260120 is an apocalyptic number.

2656260120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656260120 is an abundant number, since it is smaller than the sum of its proper divisors (5370736200).

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

2656260120 is a wasteful number, since it uses less digits than its factorization.

2656260120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161724 (or 161720 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2656260120 is about 51538.9184985483. The cubic root of 2656260120 is about 1384.9163229736.

Adding to 2656260120 its reverse (210626562), we get a palindrome (2866886682).

The spelling of 2656260120 in words is "two billion, six hundred fifty-six million, two hundred sixty thousand, one hundred twenty".