1140012003440 has 80 divisors (see below), whose sum is σ = 2911335091200. Its totient is φ = 413221729536.

The previous prime is 1140012003433. The next prime is 1140012003517. The reversal of 1140012003440 is 443002100411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16269560 + ... + 16339479.

It is an arithmetic number, because the mean of its divisors is an integer number (36391688640).

Almost surely, 2^{1140012003440} is an apocalyptic number.

1140012003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140012003440 is an abundant number, since it is smaller than the sum of its proper divisors (1771323087760).

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

1140012003440 is a wasteful number, since it uses less digits than its factorization.

1140012003440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32609094 (or 32609088 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1140012003440 its reverse (443002100411), we get a palindrome (1583014103851).

The spelling of 1140012003440 in words is "one trillion, one hundred forty billion, twelve million, three thousand, four hundred forty".