40707655 has 4 divisors (see below), whose sum is σ = 48849192. Its totient is φ = 32566120.

The previous prime is 40707617. The next prime is 40707661. The reversal of 40707655 is 55670704.

40707655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40707655 - 2⁹ = 40707143 is a prime.

It is a super-2 number, since 2×40707655² = 3314226351198050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40707655.

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, 4070761 + ... + 4070770.

It is an arithmetic number, because the mean of its divisors is an integer number (12212298).

Almost surely, 2^40707655 is an apocalyptic number.

40707655 is a deficient number, since it is larger than the sum of its proper divisors (8141537).

40707655 is an equidigital number, since it uses as much as digits as its factorization.

40707655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141536.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 40707655 is about 6380.2550889443. The cubic root of 40707655 is about 344.0001999954. Note that the first 3 decimals are identical.

The spelling of 40707655 in words is "forty million, seven hundred seven thousand, six hundred fifty-five".