40244242 has 8 divisors (see below), whose sum is σ = 63543600. Its totient is φ = 19063044.

The previous prime is 40244209. The next prime is 40244249. The reversal of 40244242 is 24244204.

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 (40244249) 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, 529492 + ... + 529567.

It is an arithmetic number, because the mean of its divisors is an integer number (7942950).

Almost surely, 2^40244242 is an apocalyptic number.

40244242 is a deficient number, since it is larger than the sum of its proper divisors (23299358).

40244242 is a wasteful number, since it uses less digits than its factorization.

40244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059080.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 40244242 is about 6343.8349600222. The cubic root of 40244242 is about 342.6898572643.

Adding to 40244242 its reverse (24244204), we get a palindrome (64488446).

It can be divided in two parts, 402 and 44242, that added together give a palindrome (44644).

The spelling of 40244242 in words is "forty million, two hundred forty-four thousand, two hundred forty-two".