40342256 has 40 divisors (see below), whose sum is σ = 80661504. Its totient is φ = 19535040.

The previous prime is 40342231. The next prime is 40342259. The reversal of 40342256 is 65224304.

40342256 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 not an unprimeable number, because it can be changed into a prime (40342259) 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 7 ways as a sum of consecutive naturals, for example, 131255 + ... + 131561.

Almost surely, 2^40342256 is an apocalyptic number.

It is an amenable number.

40342256 is a deficient number, since it is larger than the sum of its proper divisors (40319248).

40342256 is a wasteful number, since it uses less digits than its factorization.

40342256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40342256 is about 6351.5554000575. Note that the first 3 decimals coincide. The cubic root of 40342256 is about 342.9678363480.

The spelling of 40342256 in words is "forty million, three hundred forty-two thousand, two hundred fifty-six".