2656530500 has 192 divisors, whose sum is σ = 6852081600. Its totient is φ = 890265600.

The previous prime is 2656530493. The next prime is 2656530511. The reversal of 2656530500 is 50356562.

It can be written as a sum of positive squares in 32 ways, for example, as 2569070596 + 87459904 = 50686^2 + 9352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3204086 + ... + 3204914.

It is an arithmetic number, because the mean of its divisors is an integer number (35687925).

Almost surely, 2^2656530500 is an apocalyptic number.

2656530500 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 2656530500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426040800).

2656530500 is an abundant number, since it is smaller than the sum of its proper divisors (4195551100).

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

2656530500 is a wasteful number, since it uses less digits than its factorization.

2656530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2656530500 is about 51541.5414980965. The cubic root of 2656530500 is about 1384.9633114654.

The spelling of 2656530500 in words is "two billion, six hundred fifty-six million, five hundred thirty thousand, five hundred".