41945881 has 4 divisors (see below), whose sum is σ = 41979664. Its totient is φ = 41912100.

The previous prime is 41945801. The next prime is 41945887. The reversal of 41945881 is 18854914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41945881 - 2¹⁹ = 41421593 is a prime.

It is a super-2 number, since 2×41945881² = 3518913865732322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41945887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14955 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (10494916).

Almost surely, 2^41945881 is an apocalyptic number.

It is an amenable number.

41945881 is a deficient number, since it is larger than the sum of its proper divisors (33783).

41945881 is a wasteful number, since it uses less digits than its factorization.

41945881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33782.

The product of its digits is 46080, while the sum is 40.

The square root of 41945881 is about 6476.5639810010. The cubic root of 41945881 is about 347.4532994537.

The spelling of 41945881 in words is "forty-one million, nine hundred forty-five thousand, eight hundred eighty-one".