40580416 has 28 divisors (see below), whose sum is σ = 82707988. Its totient is φ = 19740672.

The previous prime is 40580389. The next prime is 40580417. The reversal of 40580416 is 61408504.

It can be written as a sum of positive squares in 2 ways, for example, as 15178816 + 25401600 = 3896^2 + 5040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40580417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6201 + ... + 10936.

Almost surely, 2^40580416 is an apocalyptic number.

It is an amenable number.

40580416 is an abundant number, since it is smaller than the sum of its proper divisors (42127572).

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

40580416 is a wasteful number, since it uses less digits than its factorization.

40580416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17186 (or 17176 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40580416 is about 6370.2759751835. The cubic root of 40580416 is about 343.6414146949.

The spelling of 40580416 in words is "forty million, five hundred eighty thousand, four hundred sixteen".