26266630530 has 128 divisors (see below), whose sum is σ = 72744376320. Its totient is φ = 5945771520.

The previous prime is 26266630517. The next prime is 26266630573. The reversal of 26266630530 is 3503666262.

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, 25776361 + ... + 25777379.

It is an arithmetic number, because the mean of its divisors is an integer number (568315440).

Almost surely, 2^26266630530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26266630530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36372188160).

26266630530 is an abundant number, since it is smaller than the sum of its proper divisors (46477745790).

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

26266630530 is a wasteful number, since it uses less digits than its factorization.

26266630530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 26266630530 in words is "twenty-six billion, two hundred sixty-six million, six hundred thirty thousand, five hundred thirty".