401443312343442 has 16 divisors (see below), whose sum is σ = 803092124253792. Its totient is φ = 133780187520000.

The previous prime is 401443312343429. The next prime is 401443312343459. The reversal of 401443312343442 is 244343213344104.

It is a super-2 number, since 2×401443312343442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401443312343394 and 401443312343403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8562456559 + ... + 8562503442.

It is an arithmetic number, because the mean of its divisors is an integer number (50193257765862).

Almost surely, 2^{401443312343442} is an apocalyptic number.

401443312343442 is an abundant number, since it is smaller than the sum of its proper divisors (401648811910350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401443312343442 is a wasteful number, since it uses less digits than its factorization.

401443312343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17124963913.

The product of its (nonzero) digits is 1327104, while the sum is 42.

Adding to 401443312343442 its reverse (244343213344104), we get a palindrome (645786525687546).

The spelling of 401443312343442 in words is "four hundred one trillion, four hundred forty-three billion, three hundred twelve million, three hundred forty-three thousand, four hundred forty-two".