40770578 has 16 divisors (see below), whose sum is σ = 63855000. Its totient is φ = 19498752.

The previous prime is 40770563. The next prime is 40770581. The reversal of 40770578 is 87507704.

It can be written as a sum of positive squares in 4 ways, for example, as 40742689 + 27889 = 6383^2 + 167^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3098 + ... + 9546.

Almost surely, 2^40770578 is an apocalyptic number.

40770578 is a deficient number, since it is larger than the sum of its proper divisors (23084422).

40770578 is a wasteful number, since it uses less digits than its factorization.

40770578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 40770578 is about 6385.1842573257. The cubic root of 40770578 is about 344.1773524372.

The spelling of 40770578 in words is "forty million, seven hundred seventy thousand, five hundred seventy-eight".