41648381 has 4 divisors (see below), whose sum is σ = 42616992. Its totient is φ = 40679772.

The previous prime is 41648357. The next prime is 41648401. The reversal of 41648381 is 18384614.

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 41648381 - 2¹⁰ = 41647357 is a prime.

It is a super-2 number, since 2×41648381² = 3469175279842322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41648311) 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, 484241 + ... + 484326.

It is an arithmetic number, because the mean of its divisors is an integer number (10654248).

Almost surely, 2^41648381 is an apocalyptic number.

It is an amenable number.

41648381 is a deficient number, since it is larger than the sum of its proper divisors (968611).

41648381 is an equidigital number, since it uses as much as digits as its factorization.

41648381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968610.

The product of its digits is 18432, while the sum is 35.

The square root of 41648381 is about 6453.5556865963. Note that the first 3 decimals coincide. The cubic root of 41648381 is about 346.6299154622.

The spelling of 41648381 in words is "forty-one million, six hundred forty-eight thousand, three hundred eighty-one".