40411245 has 32 divisors (see below), whose sum is σ = 74154240. Its totient is φ = 18408960.

The previous prime is 40411223. The next prime is 40411247. The reversal of 40411245 is 54211404.

It is a happy number.

It is not a de Polignac number, because 40411245 - 2¹¹ = 40409197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40411247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42475 + ... + 43415.

It is an arithmetic number, because the mean of its divisors is an integer number (2317320).

Almost surely, 2^40411245 is an apocalyptic number.

It is an amenable number.

40411245 is a deficient number, since it is larger than the sum of its proper divisors (33742995).

40411245 is a wasteful number, since it uses less digits than its factorization.

40411245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 40411245 is about 6356.9839546754. The cubic root of 40411245 is about 343.1632272830.

Adding to 40411245 its reverse (54211404), we get a palindrome (94622649).

The spelling of 40411245 in words is "forty million, four hundred eleven thousand, two hundred forty-five".