40424402242 has 16 divisors (see below), whose sum is σ = 72946290240. Its totient is φ = 16412915088.

The previous prime is 40424402201. The next prime is 40424402243. The reversal of 40424402242 is 24220442404.

It is a self number, because there is not a number n which added to its sum of digits gives 40424402242.

It is not an unprimeable number, because it can be changed into a prime (40424402243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75985453 + ... + 75985984.

It is an arithmetic number, because the mean of its divisors is an integer number (4559143140).

Almost surely, 2^40424402242 is an apocalyptic number.

40424402242 is a deficient number, since it is larger than the sum of its proper divisors (32521887998).

40424402242 is a wasteful number, since it uses less digits than its factorization.

40424402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151971465.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40424402242 its reverse (24220442404), we get a palindrome (64644844646).

The spelling of 40424402242 in words is "forty billion, four hundred twenty-four million, four hundred two thousand, two hundred forty-two".