40330298 has 4 divisors (see below), whose sum is σ = 60495450. Its totient is φ = 20165148.

The previous prime is 40330291. The next prime is 40330313. The reversal of 40330298 is 89203304.

40330298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 552049 = 6307^2 + 743^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40330298.

It is not an unprimeable number, because it can be changed into a prime (40330291) 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 as a sum of consecutive naturals, namely, 10082573 + ... + 10082576.

Almost surely, 2^40330298 is an apocalyptic number.

40330298 is a deficient number, since it is larger than the sum of its proper divisors (20165152).

40330298 is a wasteful number, since it uses less digits than its factorization.

40330298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165151.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40330298 is about 6350.6139860647. The cubic root of 40330298 is about 342.9339462034.

The spelling of 40330298 in words is "forty million, three hundred thirty thousand, two hundred ninety-eight".