40411145 has 4 divisors (see below), whose sum is σ = 48493380. Its totient is φ = 32328912.

The previous prime is 40411127. The next prime is 40411153. The reversal of 40411145 is 54111404.

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 16752649 + 23658496 = 4093^2 + 4864^2 .

It is a cyclic number.

It is not a de Polignac number, because 40411145 - 2¹² = 40407049 is a prime.

It is a super-2 number, since 2×40411145² = 3266121280422050, which contains 22 as substring.

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, 4041110 + ... + 4041119.

It is an arithmetic number, because the mean of its divisors is an integer number (12123345).

Almost surely, 2^40411145 is an apocalyptic number.

It is an amenable number.

40411145 is a deficient number, since it is larger than the sum of its proper divisors (8082235).

40411145 is an equidigital number, since it uses as much as digits as its factorization.

40411145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082234.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 40411145 is about 6356.9760893054. The cubic root of 40411145 is about 343.1629442236.

Adding to 40411145 its reverse (54111404), we get a palindrome (94522549).

The spelling of 40411145 in words is "forty million, four hundred eleven thousand, one hundred forty-five".