1140234340420 has 288 divisors, whose sum is σ = 2976493371264. Its totient is φ = 364563763200.

The previous prime is 1140234340417. The next prime is 1140234340423. The reversal of 1140234340420 is 240434320411.

It is an interprime number because it is at equal distance from previous prime (1140234340417) and next prime (1140234340423).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1140234340423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 973726435 + ... + 973727605.

It is an arithmetic number, because the mean of its divisors is an integer number (10335046428).

Almost surely, 2^{1140234340420} is an apocalyptic number.

1140234340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140234340420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488246685632).

1140234340420 is an abundant number, since it is smaller than the sum of its proper divisors (1836259030844).

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

1140234340420 is a wasteful number, since it uses less digits than its factorization.

1140234340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1140234340420 its reverse (240434320411), we get a palindrome (1380668660831).

The spelling of 1140234340420 in words is "one trillion, one hundred forty billion, two hundred thirty-four million, three hundred forty thousand, four hundred twenty".