40550242 has 8 divisors (see below), whose sum is σ = 63470016. Its totient is φ = 19393572.

The previous prime is 40550239. The next prime is 40550243. The reversal of 40550242 is 24205504.

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

It is not an unprimeable number, because it can be changed into a prime (40550243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440718 + ... + 440809.

It is an arithmetic number, because the mean of its divisors is an integer number (7933752).

Almost surely, 2^40550242 is an apocalyptic number.

40550242 is a deficient number, since it is larger than the sum of its proper divisors (22919774).

40550242 is a wasteful number, since it uses less digits than its factorization.

40550242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881552.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40550242 is about 6367.9071915348. The cubic root of 40550242 is about 343.5562208327.

Adding to 40550242 its reverse (24205504), we get a palindrome (64755746).

The spelling of 40550242 in words is "forty million, five hundred fifty thousand, two hundred forty-two".