40528008 has 48 divisors (see below), whose sum is σ = 112448700. Its totient is φ = 13178880.

The previous prime is 40528003. The next prime is 40528009. The reversal of 40528008 is 80082504.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 4743684 = 5982^2 + 2178^2 .

It is not an unprimeable number, because it can be changed into a prime (40528003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3913 + ... + 9816.

Almost surely, 2^40528008 is an apocalyptic number.

It is an amenable number.

40528008 is an abundant number, since it is smaller than the sum of its proper divisors (71920692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40528008 is a wasteful number, since it uses less digits than its factorization.

40528008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782 (or 13775 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 40528008 is about 6366.1611666687. The cubic root of 40528008 is about 343.4934178738.

The spelling of 40528008 in words is "forty million, five hundred twenty-eight thousand, eight".