40528336 has 20 divisors (see below), whose sum is σ = 80440164. Its totient is φ = 19769600.

The previous prime is 40528333. The next prime is 40528361. The reversal of 40528336 is 63382504.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 39438400 = 1044^2 + 6280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40528298 and 40528307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40528333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30235 + ... + 31546.

Almost surely, 2^40528336 is an apocalyptic number.

It is an amenable number.

40528336 is a deficient number, since it is larger than the sum of its proper divisors (39911828).

40528336 is a wasteful number, since it uses less digits than its factorization.

40528336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61830 (or 61824 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40528336 is about 6366.1869278242. The cubic root of 40528336 is about 343.4943445213.

The spelling of 40528336 in words is "forty million, five hundred twenty-eight thousand, three hundred thirty-six".