10243220031044 has 144 divisors (see below), whose sum is σ = 24584970566016. Its totient is φ = 3670762636800.

The previous prime is 10243220031043. The next prime is 10243220031053. The reversal of 10243220031044 is 44013002234201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (10243220031043) 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 47 ways as a sum of consecutive naturals, for example, 7225577 + ... + 8526159.

It is an arithmetic number, because the mean of its divisors is an integer number (170728962264).

Almost surely, 2^{10243220031044} is an apocalyptic number.

10243220031044 is a gapful number since it is divisible by the number (14) 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 10243220031044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12292485283008).

10243220031044 is an abundant number, since it is smaller than the sum of its proper divisors (14341750534972).

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

10243220031044 is a wasteful number, since it uses less digits than its factorization.

10243220031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300906 (or 1300897 counting only the distinct ones).

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

Adding to 10243220031044 its reverse (44013002234201), we get a palindrome (54256222265245).

The spelling of 10243220031044 in words is "ten trillion, two hundred forty-three billion, two hundred twenty million, thirty-one thousand, forty-four".