1044431030440 has 32 divisors (see below), whose sum is σ = 2685679793280. Its totient is φ = 358090638912.

The previous prime is 1044431030371. The next prime is 1044431030443. The reversal of 1044431030440 is 440301344401.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1044431030399 and 1044431030408.

It is not an unprimeable number, because it can be changed into a prime (1044431030443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865055132 + ... + 1865055691.

It is an arithmetic number, because the mean of its divisors is an integer number (83927493540).

Almost surely, 2^{1044431030440} is an apocalyptic number.

1044431030440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044431030440 is an abundant number, since it is smaller than the sum of its proper divisors (1641248762840).

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

1044431030440 is a wasteful number, since it uses less digits than its factorization.

1044431030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730110841 (or 3730110837 counting only the distinct ones).

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

Adding to 1044431030440 its reverse (440301344401), we get a palindrome (1484732374841).

The spelling of 1044431030440 in words is "one trillion, forty-four billion, four hundred thirty-one million, thirty thousand, four hundred forty".