40540870 has 32 divisors (see below), whose sum is σ = 79303680. Its totient is φ = 14865120.

The previous prime is 40540867. The next prime is 40540883. The reversal of 40540870 is 7804504.

40540870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2449 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (2478240).

Almost surely, 2^40540870 is an apocalyptic number.

40540870 is a deficient number, since it is larger than the sum of its proper divisors (38762810).

40540870 is a wasteful number, since it uses less digits than its factorization.

40540870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40540870 is about 6367.1712714517. The cubic root of 40540870 is about 343.5297511428.

The spelling of 40540870 in words is "forty million, five hundred forty thousand, eight hundred seventy".