41381405 has 24 divisors (see below), whose sum is σ = 55458312. Its totient is φ = 29465856.

The previous prime is 41381401. The next prime is 41381407. The reversal of 41381405 is 50418314.

It can be written as a sum of positive squares in 12 ways, for example, as 12243001 + 29138404 = 3499^2 + 5398^2 .

It is not a de Polignac number, because 41381405 - 2² = 41381401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41381401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54287 + ... + 55043.

It is an arithmetic number, because the mean of its divisors is an integer number (2310763).

Almost surely, 2^41381405 is an apocalyptic number.

It is an amenable number.

41381405 is a deficient number, since it is larger than the sum of its proper divisors (14076907).

41381405 is a wasteful number, since it uses less digits than its factorization.

41381405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 41381405 is about 6432.8380206562. The cubic root of 41381405 is about 345.8876672103.

Adding to 41381405 its reverse (50418314), we get a palindrome (91799719).

It can be divided in two parts, 413 and 81405, that added together give a palindrome (81818).

The spelling of 41381405 in words is "forty-one million, three hundred eighty-one thousand, four hundred five".