40539536 has 10 divisors (see below), whose sum is σ = 78545382. Its totient is φ = 20269760.

The previous prime is 40539523. The next prime is 40539553. The reversal of 40539536 is 63593504.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 19891600 = 4544^2 + 4460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40539496 and 40539505.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1266845 + ... + 1266876.

Almost surely, 2^40539536 is an apocalyptic number.

It is an amenable number.

40539536 is a deficient number, since it is larger than the sum of its proper divisors (38005846).

40539536 is a wasteful number, since it uses less digits than its factorization.

40539536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533729 (or 2533723 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 40539536 is about 6367.0665144947. The cubic root of 40539536 is about 343.5259831451.

The spelling of 40539536 in words is "forty million, five hundred thirty-nine thousand, five hundred thirty-six".