40575238 has 8 divisors (see below), whose sum is σ = 66395880. Its totient is φ = 18443280.

The previous prime is 40575191. The next prime is 40575253. The reversal of 40575238 is 83257504.

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, 922143 + ... + 922186.

It is an arithmetic number, because the mean of its divisors is an integer number (8299485).

Almost surely, 2^40575238 is an apocalyptic number.

40575238 is a deficient number, since it is larger than the sum of its proper divisors (25820642).

40575238 is a wasteful number, since it uses less digits than its factorization.

40575238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844342.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 40575238 is about 6369.8695434051. The cubic root of 40575238 is about 343.6267980308.

The spelling of 40575238 in words is "forty million, five hundred seventy-five thousand, two hundred thirty-eight".