41911945 has 4 divisors (see below), whose sum is σ = 50294340. Its totient is φ = 33529552.

The previous prime is 41911913. The next prime is 41911951. The reversal of 41911945 is 54911914.

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 18766224 + 23145721 = 4332^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 41911945 - 2⁵ = 41911913 is a prime.

It is a super-2 number, since 2×41911945² = 3513222267366050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41911945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191190 + ... + 4191199.

It is an arithmetic number, because the mean of its divisors is an integer number (12573585).

Almost surely, 2^41911945 is an apocalyptic number.

It is an amenable number.

41911945 is a deficient number, since it is larger than the sum of its proper divisors (8382395).

41911945 is an equidigital number, since it uses as much as digits as its factorization.

41911945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382394.

The product of its digits is 6480, while the sum is 34.

The square root of 41911945 is about 6473.9435431582. The cubic root of 41911945 is about 347.3595726787.

The spelling of 41911945 in words is "forty-one million, nine hundred eleven thousand, nine hundred forty-five".