2010042261 has 12 divisors (see below), whose sum is σ = 2974209420. Its totient is φ = 1307344320.

The previous prime is 2010042257. The next prime is 2010042271. The reversal of 2010042261 is 1622400102.

It can be written as a sum of positive squares in 2 ways, for example, as 730620900 + 1279421361 = 27030^2 + 35769^2 .

It is not a de Polignac number, because 2010042261 - 2² = 2010042257 is a prime.

It is a super-3 number, since 3×2010042261³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010042241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2723266 + ... + 2724003.

It is an arithmetic number, because the mean of its divisors is an integer number (247850785).

Almost surely, 2^2010042261 is an apocalyptic number.

It is an amenable number.

2010042261 is a deficient number, since it is larger than the sum of its proper divisors (964167159).

2010042261 is a wasteful number, since it uses less digits than its factorization.

2010042261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447316 (or 5447313 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2010042261 is about 44833.4948559668. The cubic root of 2010042261 is about 1262.0262729538.

Adding to 2010042261 its reverse (1622400102), we get a palindrome (3632442363).

The spelling of 2010042261 in words is "two billion, ten million, forty-two thousand, two hundred sixty-one".