1040644450223 has 16 divisors (see below), whose sum is σ = 1230925416000. Its totient is φ = 860798195712.

The previous prime is 1040644450201. The next prime is 1040644450229. The reversal of 1040644450223 is 3220544460401.

It is not a de Polignac number, because 1040644450223 - 2¹⁰ = 1040644449199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040644450229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851378 + ... + 1675151.

It is an arithmetic number, because the mean of its divisors is an integer number (76932838500).

Almost surely, 2^{1040644450223} is an apocalyptic number.

1040644450223 is a deficient number, since it is larger than the sum of its proper divisors (190280965777).

1040644450223 is a wasteful number, since it uses less digits than its factorization.

1040644450223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528594.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 1040644450223 in words is "one trillion, forty billion, six hundred forty-four million, four hundred fifty thousand, two hundred twenty-three".