40339258 has 4 divisors (see below), whose sum is σ = 60508890. Its totient is φ = 20169628.

The previous prime is 40339253. The next prime is 40339291. The reversal of 40339258 is 85293304.

It is a happy number.

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., 31888609 + 8450649 = 5647^2 + 2907^2 .

It is not an unprimeable number, because it can be changed into a prime (40339253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084813 + ... + 10084816.

Almost surely, 2^40339258 is an apocalyptic number.

40339258 is a deficient number, since it is larger than the sum of its proper divisors (20169632).

40339258 is a wasteful number, since it uses less digits than its factorization.

40339258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169631.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 40339258 is about 6351.3193904889. The cubic root of 40339258 is about 342.9593403511.

The spelling of 40339258 in words is "forty million, three hundred thirty-nine thousand, two hundred fifty-eight".