1142431004040 has 32 divisors (see below), whose sum is σ = 3427293012480. Its totient is φ = 304648267712.

The previous prime is 1142431004017. The next prime is 1142431004047. The reversal of 1142431004040 is 404001342411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1142431004040.

It is not an unprimeable number, because it can be changed into a prime (1142431004047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760129064 + ... + 4760129303.

It is an arithmetic number, because the mean of its divisors is an integer number (107102906640).

Almost surely, 2^{1142431004040} is an apocalyptic number.

1142431004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142431004040 is an abundant number, since it is smaller than the sum of its proper divisors (2284862008440).

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

1142431004040 is a wasteful number, since it uses less digits than its factorization.

1142431004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520258381 (or 9520258377 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1142431004040 its reverse (404001342411), we get a palindrome (1546432346451).

The spelling of 1142431004040 in words is "one trillion, one hundred forty-two billion, four hundred thirty-one million, four thousand, forty".