1422131404240 has 20 divisors (see below), whose sum is σ = 3306455515044. Its totient is φ = 568852561664.

The previous prime is 1422131404217. The next prime is 1422131404241. The reversal of 1422131404240 is 424041312241.

It can be written as a sum of positive squares in 2 ways, for example, as 329838867856 + 1092292536384 = 574316^2 + 1045128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1422131404199 and 1422131404208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422131404241) 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, 8888321197 + ... + 8888321356.

Almost surely, 2^{1422131404240} is an apocalyptic number.

1422131404240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422131404240 is an abundant number, since it is smaller than the sum of its proper divisors (1884324110804).

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

1422131404240 is a wasteful number, since it uses less digits than its factorization.

1422131404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776642566 (or 17776642560 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1422131404240 its reverse (424041312241), we get a palindrome (1846172716481).

The spelling of 1422131404240 in words is "one trillion, four hundred twenty-two billion, one hundred thirty-one million, four hundred four thousand, two hundred forty".