40395536 has 20 divisors (see below), whose sum is σ = 82870812. Its totient is φ = 19009536.

The previous prime is 40395529. The next prime is 40395559. The reversal of 40395536 is 63559304.

It can be written as a sum of positive squares in 2 ways, for example, as 10758400 + 29637136 = 3280^2 + 5444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40395496 and 40395505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73985 + ... + 74528.

Almost surely, 2^40395536 is an apocalyptic number.

It is an amenable number.

40395536 is an abundant number, since it is smaller than the sum of its proper divisors (42475276).

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

40395536 is a wasteful number, since it uses less digits than its factorization.

40395536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148538 (or 148532 counting only the distinct ones).

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

The square root of 40395536 is about 6355.7482643667. The cubic root of 40395536 is about 343.1187557520.

The spelling of 40395536 in words is "forty million, three hundred ninety-five thousand, five hundred thirty-six".