1140021440431 has 8 divisors (see below), whose sum is σ = 1146790128384. Its totient is φ = 1133261086080.

The previous prime is 1140021440419. The next prime is 1140021440473. The reversal of 1140021440431 is 1340441200411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140021440431 - 2¹⁷ = 1140021309359 is a prime.

It is a super-2 number, since 2×1140021440431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140021440396 and 1140021440405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140021444431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808886 + ... + 2356291.

It is an arithmetic number, because the mean of its divisors is an integer number (143348766048).

Almost surely, 2^{1140021440431} is an apocalyptic number.

1140021440431 is a deficient number, since it is larger than the sum of its proper divisors (6768687953).

1140021440431 is a wasteful number, since it uses less digits than its factorization.

1140021440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166801.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1140021440431 its reverse (1340441200411), we get a palindrome (2480462640842).

The spelling of 1140021440431 in words is "one trillion, one hundred forty billion, twenty-one million, four hundred forty thousand, four hundred thirty-one".