40256245 has 8 divisors (see below), whose sum is σ = 48890016. Its totient is φ = 31816656.

The previous prime is 40256239. The next prime is 40256257. The reversal of 40256245 is 54265204.

40256245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40256245 - 2¹³ = 40248053 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48087 + ... + 48916.

It is an arithmetic number, because the mean of its divisors is an integer number (6111252).

Almost surely, 2^40256245 is an apocalyptic number.

It is an amenable number.

40256245 is a deficient number, since it is larger than the sum of its proper divisors (8633771).

40256245 is an equidigital number, since it uses as much as digits as its factorization.

40256245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97091.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40256245 is about 6344.7809260841. The cubic root of 40256245 is about 342.7239234005.

The spelling of 40256245 in words is "forty million, two hundred fifty-six thousand, two hundred forty-five".