41918881 has 2 divisors, whose sum is σ = 41918882. Its totient is φ = 41918880.

The previous prime is 41918869. The next prime is 41918887. The reversal of 41918881 is 18881914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 4769856 = 6095^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 41918881 - 2¹³ = 41910689 is a prime.

It is a super-2 number, since 2×41918881² = 3514385168584322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41918887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20959440 + 20959441.

It is an arithmetic number, because the mean of its divisors is an integer number (20959441).

Almost surely, 2^41918881 is an apocalyptic number.

It is an amenable number.

41918881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41918881 is an equidigital number, since it uses as much as digits as its factorization.

41918881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 40.

The square root of 41918881 is about 6474.4792068552. The cubic root of 41918881 is about 347.3787331122.

The spelling of 41918881 in words is "forty-one million, nine hundred eighteen thousand, eight hundred eighty-one".