40683556 has 12 divisors (see below), whose sum is σ = 71675100. Its totient is φ = 20204960.

The previous prime is 40683553. The next prime is 40683581. The reversal of 40683556 is 65538604.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 38638656 = 1430^2 + 6216^2 .

It is not an unprimeable number, because it can be changed into a prime (40683553) 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, 33535 + ... + 34726.

It is an arithmetic number, because the mean of its divisors is an integer number (5972925).

Almost surely, 2^40683556 is an apocalyptic number.

It is an amenable number.

40683556 is a deficient number, since it is larger than the sum of its proper divisors (30991544).

40683556 is a wasteful number, since it uses less digits than its factorization.

40683556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68414 (or 68412 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 40683556 is about 6378.3662484997. The cubic root of 40683556 is about 343.9323036970.

The spelling of 40683556 in words is "forty million, six hundred eighty-three thousand, five hundred fifty-six".