40685562 has 12 divisors (see below), whose sum is σ = 88152090. Its totient is φ = 13561848.

The previous prime is 40685543. The next prime is 40685569. The reversal of 40685562 is 26558604.

40685562 is a `hidden beast` number, since 40 + 68 + 556 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37933281 + 2752281 = 6159^2 + 1659^2 .

It is not an unprimeable number, because it can be changed into a prime (40685569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1130137 + ... + 1130172.

Almost surely, 2^40685562 is an apocalyptic number.

40685562 is an abundant number, since it is smaller than the sum of its proper divisors (47466528).

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

40685562 is a wasteful number, since it uses less digits than its factorization.

40685562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260317 (or 2260314 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 40685562 is about 6378.5234968604. The cubic root of 40685562 is about 343.9379564056.

The spelling of 40685562 in words is "forty million, six hundred eighty-five thousand, five hundred sixty-two".