1142324230440 has 128 divisors (see below), whose sum is σ = 3434806425600. Its totient is φ = 303924307200.

The previous prime is 1142324230391. The next prime is 1142324230459. The reversal of 1142324230440 is 440324232411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1142324230398 and 1142324230407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100630765 + ... + 100642115.

It is an arithmetic number, because the mean of its divisors is an integer number (26834425200).

Almost surely, 2^{1142324230440} is an apocalyptic number.

1142324230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142324230440 is an abundant number, since it is smaller than the sum of its proper divisors (2292482195160).

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

1142324230440 is a wasteful number, since it uses less digits than its factorization.

1142324230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207 (or 13203 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1142324230440 its reverse (440324232411), we get a palindrome (1582648462851).

The spelling of 1142324230440 in words is "one trillion, one hundred forty-two billion, three hundred twenty-four million, two hundred thirty thousand, four hundred forty".