41381945 has 16 divisors (see below), whose sum is σ = 56529792. Its totient is φ = 28786560.

The previous prime is 41381941. The next prime is 41381957. The reversal of 41381945 is 54918314.

It is not a de Polignac number, because 41381945 - 2² = 41381941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41381941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15092 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (3533112).

Almost surely, 2^41381945 is an apocalyptic number.

It is an amenable number.

41381945 is a deficient number, since it is larger than the sum of its proper divisors (15147847).

41381945 is a wasteful number, since it uses less digits than its factorization.

41381945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32752.

The product of its digits is 17280, while the sum is 35.

The square root of 41381945 is about 6432.8799926627. The cubic root of 41381945 is about 345.8891717390.

The spelling of 41381945 in words is "forty-one million, three hundred eighty-one thousand, nine hundred forty-five".