40202442222442 has 8 divisors (see below), whose sum is σ = 60303795058116. Its totient is φ = 20101177203072.

The previous prime is 40202442222413. The next prime is 40202442222469. The reversal of 40202442222442 is 24422224420204.

It can be written as a sum of positive squares in 2 ways, for example, as 39066237589401 + 1136204633041 = 6250299^2 + 1065929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40202442222398 and 40202442222407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20797383 + ... + 22648090.

Almost surely, 2^{40202442222442} is an apocalyptic number.

40202442222442 is a deficient number, since it is larger than the sum of its proper divisors (20101352835674).

40202442222442 is a wasteful number, since it uses less digits than its factorization.

40202442222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43908152.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40202442222442 its reverse (24422224420204), we get a palindrome (64624666642646).

The spelling of 40202442222442 in words is "forty trillion, two hundred two billion, four hundred forty-two million, two hundred twenty-two thousand, four hundred forty-two".