40068238 has 8 divisors (see below), whose sum is σ = 68688432. Its totient is φ = 17172096.

The previous prime is 40068229. The next prime is 40068241. The reversal of 40068238 is 83286004.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430995 + ... + 1431022.

It is an arithmetic number, because the mean of its divisors is an integer number (8586054).

Almost surely, 2^40068238 is an apocalyptic number.

40068238 is a deficient number, since it is larger than the sum of its proper divisors (28620194).

40068238 is a wasteful number, since it uses less digits than its factorization.

40068238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862026.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40068238 is about 6329.9477091047. The cubic root of 40068238 is about 342.1895544159.

The spelling of 40068238 in words is "forty million, sixty-eight thousand, two hundred thirty-eight".