41400010261 has 2 divisors, whose sum is σ = 41400010262. Its totient is φ = 41400010260.

The previous prime is 41400010247. The next prime is 41400010279. The reversal of 41400010261 is 16201000414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37208095236 + 4191915025 = 192894^2 + 64745^2 .

It is a cyclic number.

It is not a de Polignac number, because 41400010261 - 2¹¹ = 41400008213 is a prime.

It is a super-2 number, since 2×41400010261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41400010361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20700005130 + 20700005131.

It is an arithmetic number, because the mean of its divisors is an integer number (20700005131).

Almost surely, 2^41400010261 is an apocalyptic number.

It is an amenable number.

41400010261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41400010261 is an equidigital number, since it uses as much as digits as its factorization.

41400010261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 41400010261 its reverse (16201000414), we get a palindrome (57601010675).

The spelling of 41400010261 in words is "forty-one billion, four hundred million, ten thousand, two hundred sixty-one".