1140323012442 has 28 divisors (see below), whose sum is σ = 2564553609450. Its totient is φ = 380107670328.

The previous prime is 1140323012401. The next prime is 1140323012443. The reversal of 1140323012442 is 2442103230411.

1140323012442 is a `hidden beast` number, since 1 + 1 + 403 + 230 + 1 + 24 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1139554115001 + 768897441 = 1067499^2 + 27729^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1140323012443) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 391055817 + ... + 391058732.

Almost surely, 2^{1140323012442} is an apocalyptic number.

1140323012442 is an abundant number, since it is smaller than the sum of its proper divisors (1424230597008).

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

1140323012442 is an frugal number, since it uses more digits than its factorization.

1140323012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782114569 (or 782114554 counting only the distinct ones).

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

Adding to 1140323012442 its reverse (2442103230411), we get a palindrome (3582426242853).

The spelling of 1140323012442 in words is "one trillion, one hundred forty billion, three hundred twenty-three million, twelve thousand, four hundred forty-two".