40240885 has 16 divisors (see below), whose sum is σ = 50163120. Its totient is φ = 30965760.

The previous prime is 40240861. The next prime is 40240897. The reversal of 40240885 is 58804204.

40240885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13439556 + 26801329 = 3666^2 + 5177^2 .

It is not a de Polignac number, because 40240885 - 2⁹ = 40240373 is a prime.

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, 13621 + ... + 16309.

It is an arithmetic number, because the mean of its divisors is an integer number (3135195).

Almost surely, 2^40240885 is an apocalyptic number.

It is an amenable number.

40240885 is a deficient number, since it is larger than the sum of its proper divisors (9922235).

40240885 is a wasteful number, since it uses less digits than its factorization.

40240885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 40240885 is about 6343.5703669148. The cubic root of 40240885 is about 342.6803284325.

The spelling of 40240885 in words is "forty million, two hundred forty thousand, eight hundred eighty-five".