1140000043440 has 160 divisors (see below), whose sum is σ = 3739592365056. Its totient is φ = 286686991360.

The previous prime is 1140000043439. The next prime is 1140000043597. The reversal of 1140000043440 is 443400000411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062459 + ... + 1846298.

Almost surely, 2^{1140000043440} is an apocalyptic number.

1140000043440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140000043440 is an abundant number, since it is smaller than the sum of its proper divisors (2599592321616).

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

1140000043440 is a wasteful number, since it uses less digits than its factorization.

1140000043440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908867 (or 2908861 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1140000043440 its reverse (443400000411), we get a palindrome (1583400043851).

The spelling of 1140000043440 in words is "one trillion, one hundred forty billion, forty-three thousand, four hundred forty".