1140042423040 has 108 divisors (see below), whose sum is σ = 2764076336784. Its totient is φ = 450519304192.

The previous prime is 1140042423019. The next prime is 1140042423077. The reversal of 1140042423040 is 403242400411.

It is a junction number, because it is equal to n+sod(n) for n = 1140042422996 and 1140042423014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8753277 + ... + 8882563.

Almost surely, 2^{1140042423040} is an apocalyptic number.

1140042423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140042423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382038168392).

1140042423040 is an abundant number, since it is smaller than the sum of its proper divisors (1624033913744).

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

1140042423040 is an frugal number, since it uses more digits than its factorization.

1140042423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129474 (or 129377 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1140042423040 its reverse (403242400411), we get a palindrome (1543284823451).

The spelling of 1140042423040 in words is "one trillion, one hundred forty billion, forty-two million, four hundred twenty-three thousand, forty".