40022440440242 has 16 divisors (see below), whose sum is σ = 66398976033432. Its totient is φ = 17972655166080.

The previous prime is 40022440440223. The next prime is 40022440440247. The reversal of 40022440440242 is 24204404422004.

It can be written as a sum of positive squares in 4 ways, for example, as 39859764544681 + 162675895561 = 6313459^2 + 403331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40022440440199 and 40022440440208.

It is not an unprimeable number, because it can be changed into a prime (40022440440247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20801683259 + ... + 20801685182.

Almost surely, 2^{40022440440242} is an apocalyptic number.

40022440440242 is a deficient number, since it is larger than the sum of its proper divisors (26376535593190).

40022440440242 is a wasteful number, since it uses less digits than its factorization.

40022440440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41603368493.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40022440440242 its reverse (24204404422004), we get a palindrome (64226844862246).

The spelling of 40022440440242 in words is "forty trillion, twenty-two billion, four hundred forty million, four hundred forty thousand, two hundred forty-two".