40288683 has 12 divisors (see below), whose sum is σ = 56695848. Its totient is φ = 25444800.

The previous prime is 40288673. The next prime is 40288723. The reversal of 40288683 is 38688204.

40288683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40288683 - 2¹⁰ = 40287659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40288613) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17518 + ... + 19683.

It is an arithmetic number, because the mean of its divisors is an integer number (4724654).

Almost surely, 2^40288683 is an apocalyptic number.

40288683 is a deficient number, since it is larger than the sum of its proper divisors (16407165).

40288683 is a wasteful number, since it uses less digits than its factorization.

40288683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37242 (or 37223 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 40288683 is about 6347.3366855714. The cubic root of 40288683 is about 342.8159529635.

The spelling of 40288683 in words is "forty million, two hundred eighty-eight thousand, six hundred eighty-three".