40516506 has 12 divisors (see below), whose sum is σ = 87785802. Its totient is φ = 13505496.

The previous prime is 40516481. The next prime is 40516529. The reversal of 40516506 is 60561504.

It is a happy number.

40516506 is a `hidden beast` number, since 4 + 0 + 5 + 1 + 650 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 11840481 = 5355^2 + 3441^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40516506.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1125441 + ... + 1125476.

Almost surely, 2^40516506 is an apocalyptic number.

40516506 is an abundant number, since it is smaller than the sum of its proper divisors (47269296).

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

40516506 is a wasteful number, since it uses less digits than its factorization.

40516506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250925 (or 2250922 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40516506 is about 6365.2577324096. The cubic root of 40516506 is about 343.4609198944.

The spelling of 40516506 in words is "forty million, five hundred sixteen thousand, five hundred six".