40442315450 has 12 divisors (see below), whose sum is σ = 75222706830. Its totient is φ = 16176926160.

The previous prime is 40442315437. The next prime is 40442315477. The reversal of 40442315450 is 5451324404.

It can be written as a sum of positive squares in 3 ways, for example, as 34660385929 + 5781929521 = 186173^2 + 76039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404423105 + ... + 404423204.

Almost surely, 2^40442315450 is an apocalyptic number.

40442315450 is a deficient number, since it is larger than the sum of its proper divisors (34780391380).

40442315450 is a wasteful number, since it uses less digits than its factorization.

40442315450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808846321 (or 808846316 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 40442315450 its reverse (5451324404), we get a palindrome (45893639854).

The spelling of 40442315450 in words is "forty billion, four hundred forty-two million, three hundred fifteen thousand, four hundred fifty".