404142422041340 has 24 divisors (see below), whose sum is σ = 848810129272560. Its totient is φ = 161635817771648.

The previous prime is 404142422041339. The next prime is 404142422041349. The reversal of 404142422041340 is 43140224241404.

It is a self number, because there is not a number n which added to its sum of digits gives 404142422041340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404142422041349) 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, 1321783625 + ... + 1322089344.

It is an arithmetic number, because the mean of its divisors is an integer number (35367088719690).

Almost surely, 2^{404142422041340} is an apocalyptic number.

It is an amenable number.

404142422041340 is an abundant number, since it is smaller than the sum of its proper divisors (444667707231220).

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

404142422041340 is a wasteful number, since it uses less digits than its factorization.

404142422041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643880621 (or 2643880619 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 404142422041340 its reverse (43140224241404), we get a palindrome (447282646282744).

The spelling of 404142422041340 in words is "four hundred four trillion, one hundred forty-two billion, four hundred twenty-two million, forty-one thousand, three hundred forty".