1040664323463 has 64 divisors (see below), whose sum is σ = 1515026073600. Its totient is φ = 633001881600.

The previous prime is 1040664323449. The next prime is 1040664323507. The reversal of 1040664323463 is 3643234660401.

It is a happy number.

It is not a de Polignac number, because 1040664323463 - 2⁵ = 1040664323431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040664328463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47208198 + ... + 47230236.

It is an arithmetic number, because the mean of its divisors is an integer number (23672282400).

Almost surely, 2^{1040664323463} is an apocalyptic number.

1040664323463 is a deficient number, since it is larger than the sum of its proper divisors (474361750137).

1040664323463 is a wasteful number, since it uses less digits than its factorization.

1040664323463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22352.

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 1040664323463 its reverse (3643234660401), we get a palindrome (4683898983864).

The spelling of 1040664323463 in words is "one trillion, forty billion, six hundred sixty-four million, three hundred twenty-three thousand, four hundred sixty-three".