1040536446644 has 6 divisors (see below), whose sum is σ = 1820938781634. Its totient is φ = 520268223320.

The previous prime is 1040536446619. The next prime is 1040536446647. The reversal of 1040536446644 is 4466446350401.

It can be written as a sum of positive squares in only one way, i.e., 971923883044 + 68612563600 = 985862^2 + 261940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040536446647) 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 as a sum of consecutive naturals, namely, 130067055827 + ... + 130067055834.

It is an arithmetic number, because the mean of its divisors is an integer number (303489796939).

Almost surely, 2^{1040536446644} is an apocalyptic number.

It is an amenable number.

1040536446644 is a deficient number, since it is larger than the sum of its proper divisors (780402334990).

1040536446644 is a wasteful number, since it uses less digits than its factorization.

1040536446644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260134111665 (or 260134111663 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 1040536446644 in words is "one trillion, forty billion, five hundred thirty-six million, four hundred forty-six thousand, six hundred forty-four".