41377681 has 4 divisors (see below), whose sum is σ = 41394100. Its totient is φ = 41361264.

The previous prime is 41377673. The next prime is 41377691. The reversal of 41377681 is 18677314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2739025 + 38638656 = 1655^2 + 6216^2 .

It is a cyclic number.

It is not a de Polignac number, because 41377681 - 2³ = 41377673 is a prime.

It is a super-2 number, since 2×41377681² = 3424224969875522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41377681.

It is not an unprimeable number, because it can be changed into a prime (41377631) 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, 3546 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (10348525).

Almost surely, 2^41377681 is an apocalyptic number.

It is an amenable number.

41377681 is a deficient number, since it is larger than the sum of its proper divisors (16419).

41377681 is a wasteful number, since it uses less digits than its factorization.

41377681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418.

The product of its digits is 28224, while the sum is 37.

The square root of 41377681 is about 6432.5485618066. The cubic root of 41377681 is about 345.8772911786.

The spelling of 41377681 in words is "forty-one million, three hundred seventy-seven thousand, six hundred eighty-one".