1142003220340 has 24 divisors (see below), whose sum is σ = 2539277749512. Its totient is φ = 429930624000.

The previous prime is 1142003220313. The next prime is 1142003220349. The reversal of 1142003220340 is 430223002411.

It can be written as a sum of positive squares in 4 ways, for example, as 398307405456 + 743695814884 = 631116^2 + 862378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142003220349) 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, 1679416161 + ... + 1679416840.

It is an arithmetic number, because the mean of its divisors is an integer number (105803239563).

Almost surely, 2^{1142003220340} is an apocalyptic number.

1142003220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142003220340 is an abundant number, since it is smaller than the sum of its proper divisors (1397274529172).

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

1142003220340 is a wasteful number, since it uses less digits than its factorization.

1142003220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358833027 (or 3358833025 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1142003220340 its reverse (430223002411), we get a palindrome (1572226222751).

The spelling of 1142003220340 in words is "one trillion, one hundred forty-two billion, three million, two hundred twenty thousand, three hundred forty".