41878381 has 4 divisors (see below), whose sum is σ = 41908032. Its totient is φ = 41848732.

The previous prime is 41878379. The next prime is 41878393. The reversal of 41878381 is 18387814.

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 41878381 - 2¹ = 41878379 is a prime.

It is a super-2 number, since 2×41878381² = 3507597590362322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41878301) 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, 12595 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (10477008).

Almost surely, 2^41878381 is an apocalyptic number.

It is an amenable number.

41878381 is a deficient number, since it is larger than the sum of its proper divisors (29651).

41878381 is a wasteful number, since it uses less digits than its factorization.

41878381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650.

The product of its digits is 43008, while the sum is 40.

The square root of 41878381 is about 6471.3507863506. The cubic root of 41878381 is about 347.2668235409.

The spelling of 41878381 in words is "forty-one million, eight hundred seventy-eight thousand, three hundred eighty-one".