40036245 has 32 divisors (see below), whose sum is σ = 66147840. Its totient is φ = 20666880.

The previous prime is 40036189. The next prime is 40036247. The reversal of 40036245 is 54263004.

It is not a de Polignac number, because 40036245 - 2⁶ = 40036181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76585 + ... + 77105.

It is an arithmetic number, because the mean of its divisors is an integer number (2067120).

Almost surely, 2^40036245 is an apocalyptic number.

It is an amenable number.

40036245 is a deficient number, since it is larger than the sum of its proper divisors (26111595).

40036245 is a wasteful number, since it uses less digits than its factorization.

40036245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40036245 is about 6327.4200903686. The cubic root of 40036245 is about 342.0984549481.

Adding to 40036245 its reverse (54263004), we get a palindrome (94299249).

The spelling of 40036245 in words is "forty million, thirty-six thousand, two hundred forty-five".