1040330505213 has 24 divisors (see below), whose sum is σ = 1555154635320. Its totient is φ = 669363287040.

The previous prime is 1040330505211. The next prime is 1040330505233. The reversal of 1040330505213 is 3125050330401.

1040330505213 is a `hidden beast` number, since 10 + 403 + 30 + 5 + 0 + 5 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13800845529 + 1026529659684 = 117477^2 + 1013178^2 .

It is not a de Polignac number, because 1040330505213 - 2¹ = 1040330505211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040330505211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179356 + ... + 1453557.

It is an arithmetic number, because the mean of its divisors is an integer number (64798109805).

Almost surely, 2^{1040330505213} is an apocalyptic number.

It is an amenable number.

1040330505213 is a deficient number, since it is larger than the sum of its proper divisors (514824130107).

1040330505213 is a wasteful number, since it uses less digits than its factorization.

1040330505213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635389 (or 1635386 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1040330505213 its reverse (3125050330401), we get a palindrome (4165380835614).

The spelling of 1040330505213 in words is "one trillion, forty billion, three hundred thirty million, five hundred five thousand, two hundred thirteen".