1044434321156 has 24 divisors (see below), whose sum is σ = 1839135657240. Its totient is φ = 518975424000.

The previous prime is 1044434321089. The next prime is 1044434321159. The reversal of 1044434321156 is 6511234344401.

It can be written as a sum of positive squares in 4 ways, for example, as 204982562500 + 839451758656 = 452750^2 + 916216^2 .

It is not an unprimeable number, because it can be changed into a prime (1044434321159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558245 + ... + 1549356.

It is an arithmetic number, because the mean of its divisors is an integer number (76630652385).

Almost surely, 2^{1044434321156} is an apocalyptic number.

It is an amenable number.

1044434321156 is a deficient number, since it is larger than the sum of its proper divisors (794701336084).

1044434321156 is a wasteful number, since it uses less digits than its factorization.

1044434321156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108375 (or 2108373 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 1044434321156 its reverse (6511234344401), we get a palindrome (7555668665557).

The spelling of 1044434321156 in words is "one trillion, forty-four billion, four hundred thirty-four million, three hundred twenty-one thousand, one hundred fifty-six".