40244242330 has 8 divisors (see below), whose sum is σ = 72439636212. Its totient is φ = 16097696928.

The previous prime is 40244242319. The next prime is 40244242333. The reversal of 40244242330 is 3324244204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40197443049 + 46799281 = 200493^2 + 6841^2 .

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 (40244242333) 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, 2012212107 + ... + 2012212126.

Almost surely, 2^40244242330 is an apocalyptic number.

40244242330 is a deficient number, since it is larger than the sum of its proper divisors (32195393882).

40244242330 is a wasteful number, since it uses less digits than its factorization.

40244242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024424240.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40244242330 its reverse (3324244204), we get a palindrome (43568486534).

The spelling of 40244242330 in words is "forty billion, two hundred forty-four million, two hundred forty-two thousand, three hundred thirty".