40550234 has 4 divisors (see below), whose sum is σ = 60825354. Its totient is φ = 20275116.

The previous prime is 40550203. The next prime is 40550239. The reversal of 40550234 is 43205504.

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., 39025009 + 1525225 = 6247^2 + 1235^2 .

It is not an unprimeable number, because it can be changed into a prime (40550239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137557 + ... + 10137560.

Almost surely, 2^40550234 is an apocalyptic number.

40550234 is a deficient number, since it is larger than the sum of its proper divisors (20275120).

40550234 is a wasteful number, since it uses less digits than its factorization.

40550234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20275119.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40550234 is about 6367.9065633849. The cubic root of 40550234 is about 343.5561982397.

Adding to 40550234 its reverse (43205504), we get a palindrome (83755738).

The spelling of 40550234 in words is "forty million, five hundred fifty thousand, two hundred thirty-four".