40435655 has 16 divisors (see below), whose sum is σ = 52545024. Its totient is φ = 29694720.

The previous prime is 40435643. The next prime is 40435697. The reversal of 40435655 is 55653404.

It is not a de Polignac number, because 40435655 - 2¹⁰ = 40434631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10787 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (3284064).

Almost surely, 2^40435655 is an apocalyptic number.

40435655 is a deficient number, since it is larger than the sum of its proper divisors (12109369).

40435655 is a wasteful number, since it uses less digits than its factorization.

40435655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 40435655 is about 6358.9036004645. The cubic root of 40435655 is about 343.2323081238.

The spelling of 40435655 in words is "forty million, four hundred thirty-five thousand, six hundred fifty-five".