40298245 has 16 divisors (see below), whose sum is σ = 55142640. Its totient is φ = 28007424.

The previous prime is 40298227. The next prime is 40298273. The reversal of 40298245 is 54289204.

40298245 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 1572516 + 38725729 = 1254^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 40298245 - 2⁵ = 40298213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40298245.

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, 17130 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (3446415).

Almost surely, 2^40298245 is an apocalyptic number.

It is an amenable number.

40298245 is a deficient number, since it is larger than the sum of its proper divisors (14844395).

40298245 is a wasteful number, since it uses less digits than its factorization.

40298245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36504.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40298245 is about 6348.0898701893. The cubic root of 40298245 is about 342.8430718018.

The spelling of 40298245 in words is "forty million, two hundred ninety-eight thousand, two hundred forty-five".