1140331505440 has 48 divisors (see below), whose sum is σ = 2694106396800. Its totient is φ = 456120206080.

The previous prime is 1140331505437. The next prime is 1140331505461. The reversal of 1140331505440 is 445051330411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7830411 + ... + 7974709.

It is an arithmetic number, because the mean of its divisors is an integer number (56127216600).

Almost surely, 2^{1140331505440} is an apocalyptic number.

1140331505440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140331505440 is an abundant number, since it is smaller than the sum of its proper divisors (1553774891360).

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

1140331505440 is a wasteful number, since it uses less digits than its factorization.

1140331505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193705 (or 193697 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1140331505440 its reverse (445051330411), we get a palindrome (1585382835851).

The spelling of 1140331505440 in words is "one trillion, one hundred forty billion, three hundred thirty-one million, five hundred five thousand, four hundred forty".