1140230432421 has 12 divisors (see below), whose sum is σ = 1671581596672. Its totient is φ = 748808044776.

The previous prime is 1140230432351. The next prime is 1140230432423. The reversal of 1140230432421 is 1242340320411.

1140230432421 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 230 + 4 + 3 + 2 + 421 = 666.

It is not a de Polignac number, because 1140230432421 - 2⁹ = 1140230431909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140230432423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945464101 + ... + 945465306.

Almost surely, 2^{1140230432421} is an apocalyptic number.

It is an amenable number.

1140230432421 is a deficient number, since it is larger than the sum of its proper divisors (531351164251).

1140230432421 is a wasteful number, since it uses less digits than its factorization.

1140230432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890929480 (or 1890929477 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1140230432421 its reverse (1242340320411), we get a palindrome (2382570752832).

It can be divided in two parts, 1140230 and 432421, that added together give a triangular number (1572651 = T₁₇₇₃).

The spelling of 1140230432421 in words is "one trillion, one hundred forty billion, two hundred thirty million, four hundred thirty-two thousand, four hundred twenty-one".