10520443440342 has 80 divisors (see below), whose sum is σ = 25718385627792. Its totient is φ = 3187796705280.

The previous prime is 10520443440281. The next prime is 10520443440343. The reversal of 10520443440342 is 24304434402501.

10520443440342 is a `hidden beast` number, since 1 + 0 + 5 + 204 + 4 + 3 + 4 + 403 + 42 = 666.

It is a super-2 number, since 2×10520443440342² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10520443440297 and 10520443440306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520443440343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27094998 + ... + 27480534.

Almost surely, 2^{10520443440342} is an apocalyptic number.

10520443440342 is an abundant number, since it is smaller than the sum of its proper divisors (15197942187450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520443440342 is a wasteful number, since it uses less digits than its factorization.

10520443440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400875 (or 400866 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 10520443440342 its reverse (24304434402501), we get a palindrome (34824877842843).

The spelling of 10520443440342 in words is "ten trillion, five hundred twenty billion, four hundred forty-three million, four hundred forty thousand, three hundred forty-two".