40502536 has 16 divisors (see below), whose sum is σ = 77188140. Its totient is φ = 19919040.

The previous prime is 40502519. The next prime is 40502537. The reversal of 40502536 is 63520504.

It can be written as a sum of positive squares in 2 ways, for example, as 38514436 + 1988100 = 6206^2 + 1410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40502536.

It is not an unprimeable number, because it can be changed into a prime (40502537) 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, 41011 + ... + 41986.

Almost surely, 2^40502536 is an apocalyptic number.

It is an amenable number.

40502536 is a deficient number, since it is larger than the sum of its proper divisors (36685604).

40502536 is a wasteful number, since it uses less digits than its factorization.

40502536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83064 (or 83060 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40502536 is about 6364.1602745374. The cubic root of 40502536 is about 343.4214405061.

The spelling of 40502536 in words is "forty million, five hundred two thousand, five hundred thirty-six".