40528213 has 16 divisors (see below), whose sum is σ = 45948672. Its totient is φ = 35424000.

The previous prime is 40528211. The next prime is 40528237. The reversal of 40528213 is 31282504.

40528213 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 40528213 - 2¹ = 40528211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40528211) by changing a digit.

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, 32308 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (2871792).

Almost surely, 2^40528213 is an apocalyptic number.

It is an amenable number.

40528213 is a deficient number, since it is larger than the sum of its proper divisors (5420459).

40528213 is a wasteful number, since it uses less digits than its factorization.

40528213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40528213 is about 6366.1772674031. The cubic root of 40528213 is about 343.4939970291.

The spelling of 40528213 in words is "forty million, five hundred twenty-eight thousand, two hundred thirteen".