1140244400020 has 96 divisors (see below), whose sum is σ = 2714560128000. Its totient is φ = 398565657600.

The previous prime is 1140244399993. The next prime is 1140244400033. The reversal of 1140244400020 is 200044420411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1140244399964 and 1140244400000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455136 + ... + 1577224.

It is an arithmetic number, because the mean of its divisors is an integer number (28276668000).

Almost surely, 2^{1140244400020} is an apocalyptic number.

1140244400020 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 1140244400020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357280064000).

1140244400020 is an abundant number, since it is smaller than the sum of its proper divisors (1574315727980).

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

1140244400020 is a wasteful number, since it uses less digits than its factorization.

1140244400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122289 (or 1122287 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1140244400020 its reverse (200044420411), we get a palindrome (1340288820431).

The spelling of 1140244400020 in words is "one trillion, one hundred forty billion, two hundred forty-four million, four hundred thousand, twenty".