40526213 has 16 divisors (see below), whose sum is σ = 50029056. Its totient is φ = 31968000.

The previous prime is 40526203. The next prime is 40526219. The reversal of 40526213 is 31262504.

It is a cyclic number.

It is not a de Polignac number, because 40526213 - 2⁸ = 40525957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40526219) 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 15 ways as a sum of consecutive naturals, for example, 53588 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (3126816).

Almost surely, 2^40526213 is an apocalyptic number.

It is an amenable number.

40526213 is a deficient number, since it is larger than the sum of its proper divisors (9502843).

40526213 is a wasteful number, since it uses less digits than its factorization.

40526213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40526213 is about 6366.0201853277. The cubic root of 40526213 is about 343.4883466501.

Adding to 40526213 its reverse (31262504), we get a palindrome (71788717).

The spelling of 40526213 in words is "forty million, five hundred twenty-six thousand, two hundred thirteen".