40528285 has 16 divisors (see below), whose sum is σ = 55900800. Its totient is φ = 27631296.

The previous prime is 40528261. The next prime is 40528297. The reversal of 40528285 is 58282504.

It is not a de Polignac number, because 40528285 - 2¹¹ = 40526237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40528285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (3493800).

Almost surely, 2^40528285 is an apocalyptic number.

It is an amenable number.

40528285 is a deficient number, since it is larger than the sum of its proper divisors (15372515).

40528285 is a wasteful number, since it uses less digits than its factorization.

40528285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 40528285 is about 6366.1829222855. The cubic root of 40528285 is about 343.4942004393.

The spelling of 40528285 in words is "forty million, five hundred twenty-eight thousand, two hundred eighty-five".