40318245 has 48 divisors (see below), whose sum is σ = 77905152. Its totient is φ = 19121280.

The previous prime is 40318231. The next prime is 40318261. The reversal of 40318245 is 54281304.

40318245 is a `hidden beast` number, since 403 + 18 + 245 = 666.

40318245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40318245 - 2⁹ = 40317733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22399 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (1623024).

Almost surely, 2^40318245 is an apocalyptic number.

40318245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40318245 is a deficient number, since it is larger than the sum of its proper divisors (37586907).

40318245 is a wasteful number, since it uses less digits than its factorization.

40318245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40318245 is about 6349.6649517908. The cubic root of 40318245 is about 342.8997800397.

Adding to 40318245 its reverse (54281304), we get a palindrome (94599549).

The spelling of 40318245 in words is "forty million, three hundred eighteen thousand, two hundred forty-five".