1322400040042 has 8 divisors (see below), whose sum is σ = 1983604953600. Its totient is φ = 661198388844.

The previous prime is 1322400040037. The next prime is 1322400040057. The reversal of 1322400040042 is 2400400042231.

It is a happy number.

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 = 1322400039995 and 1322400040022.

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, 1065559 + ... + 1944277.

It is an arithmetic number, because the mean of its divisors is an integer number (247950619200).

Almost surely, 2^{1322400040042} is an apocalyptic number.

1322400040042 is a deficient number, since it is larger than the sum of its proper divisors (661204913558).

1322400040042 is an equidigital number, since it uses as much as digits as its factorization.

1322400040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631180.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1322400040042 its reverse (2400400042231), we get a palindrome (3722800082273).

The spelling of 1322400040042 in words is "one trillion, three hundred twenty-two billion, four hundred million, forty thousand, forty-two".