2040440022442 has 8 divisors (see below), whose sum is σ = 3060686939076. Its totient is φ = 1020211042752.

The previous prime is 2040440022403. The next prime is 2040440022449. The reversal of 2040440022442 is 2442200440402.

It can be written as a sum of positive squares in 2 ways, for example, as 1803785988601 + 236654033841 = 1343051^2 + 486471^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2040440022442.

It is not an unprimeable number, because it can be changed into a prime (2040440022449) 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, 4196143 + ... + 4657090.

Almost surely, 2^{2040440022442} is an apocalyptic number.

2040440022442 is a deficient number, since it is larger than the sum of its proper divisors (1020246916634).

2040440022442 is a wasteful number, since it uses less digits than its factorization.

2040440022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968472.

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

Adding to 2040440022442 its reverse (2442200440402), we get a palindrome (4482640462844).

The spelling of 2040440022442 in words is "two trillion, forty billion, four hundred forty million, twenty-two thousand, four hundred forty-two".