40678580 has 12 divisors (see below), whose sum is σ = 85425060. Its totient is φ = 16271424.

The previous prime is 40678579. The next prime is 40678591. The reversal of 40678580 is 8587604.

40678580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17272336 + 23406244 = 4156^2 + 4838^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016945 + ... + 1016984.

It is an arithmetic number, because the mean of its divisors is an integer number (7118755).

Almost surely, 2^40678580 is an apocalyptic number.

It is an amenable number.

40678580 is an abundant number, since it is smaller than the sum of its proper divisors (44746480).

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

40678580 is a wasteful number, since it uses less digits than its factorization.

40678580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033938 (or 2033936 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 40678580 is about 6377.9761680332. The cubic root of 40678580 is about 343.9182810214.

The spelling of 40678580 in words is "forty million, six hundred seventy-eight thousand, five hundred eighty".