2101576026 has 64 divisors (see below), whose sum is σ = 4704163200. Its totient is φ = 620524800.

The previous prime is 2101576021. The next prime is 2101576051. The reversal of 2101576026 is 6206751012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101575984 and 2101576002.

It is not an unprimeable number, because it can be changed into a prime (2101576021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436440 + ... + 441228.

It is an arithmetic number, because the mean of its divisors is an integer number (73502550).

Almost surely, 2^2101576026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101576026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352081600).

2101576026 is an abundant number, since it is smaller than the sum of its proper divisors (2602587174).

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

2101576026 is a wasteful number, since it uses less digits than its factorization.

2101576026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2101576026 is about 45842.9495778795. The cubic root of 2101576026 is about 1280.8994382231.

The spelling of 2101576026 in words is "two billion, one hundred one million, five hundred seventy-six thousand, twenty-six".