40606245 has 16 divisors (see below), whose sum is σ = 72189120. Its totient is φ = 21656592.

The previous prime is 40606229. The next prime is 40606273. The reversal of 40606245 is 54260604.

It is a happy number.

40606245 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 40606245 - 2⁴ = 40606229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 150259 + ... + 150528.

It is an arithmetic number, because the mean of its divisors is an integer number (4511820).

Almost surely, 2^40606245 is an apocalyptic number.

40606245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40606245 is a deficient number, since it is larger than the sum of its proper divisors (31582875).

40606245 is a wasteful number, since it uses less digits than its factorization.

40606245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300801 (or 300795 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40606245 is about 6372.3029588996. The cubic root of 40606245 is about 343.7143072582.

Adding to 40606245 its reverse (54260604), we get a palindrome (94866849).

The spelling of 40606245 in words is "forty million, six hundred six thousand, two hundred forty-five".