1030143044240 has 120 divisors (see below), whose sum is σ = 2528621336448. Its totient is φ = 390239182080.

The previous prime is 1030143044233. The next prime is 1030143044243. The reversal of 1030143044240 is 424403410301.

It is a super-2 number, since 2×1030143044240² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030143044243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165854735 + ... + 165860945.

Almost surely, 2^{1030143044240} is an apocalyptic number.

1030143044240 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 1030143044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264310668224).

1030143044240 is an abundant number, since it is smaller than the sum of its proper divisors (1498478292208).

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

1030143044240 is a wasteful number, since it uses less digits than its factorization.

1030143044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1030143044240 its reverse (424403410301), we get a palindrome (1454546454541).

The spelling of 1030143044240 in words is "one trillion, thirty billion, one hundred forty-three million, forty-four thousand, two hundred forty".