40213274 has 8 divisors (see below), whose sum is σ = 61308948. Its totient is φ = 19776960.

The previous prime is 40213259. The next prime is 40213297. The reversal of 40213274 is 47231204.

40213274 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 2 ways, for example, as 30880249 + 9333025 = 5557^2 + 3055^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 164687 + ... + 164930.

Almost surely, 2^40213274 is an apocalyptic number.

40213274 is a deficient number, since it is larger than the sum of its proper divisors (21095674).

40213274 is a wasteful number, since it uses less digits than its factorization.

40213274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329680.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40213274 is about 6341.3936953954. The cubic root of 40213274 is about 342.6019346015.

Adding to 40213274 its reverse (47231204), we get a palindrome (87444478).

The spelling of 40213274 in words is "forty million, two hundred thirteen thousand, two hundred seventy-four".